TWM497387U - DC brushless ceiling fan motor housing structure improvement - Google Patents

Description

DC brushless ceiling fan motor housing structure improvement

This creation is related to a ceiling fan motor structure, in particular to a DC brushless ceiling fan motor housing structure improvement.

According to FIG. 1 , it is a schematic cross-sectional view of a conventional DC brushless ceiling fan motor housing structure, which discloses a three-piece DC brushless ceiling fan motor housing structure, the DC brushless ceiling fan motor housing The structure is formed by an upper cover body 6, a middle ring 7, and a lower cover body 8, and then the upper cover body 6 and the lower cover body 8 are screw-locked by a plurality of screws 9, and the middle ring is formed. The accommodating space formed between the upper cover body 6 and the lower cover body 8 can accommodate the DC brushless motor. However, the joint structure is between the upper cover body 6 and the lower cover body 8. Because of the relatively long distance, the screw 9 is not required to be worn and screwed during assembly, which is quite laborious and time consuming, and since the locking position of the ceiling fan blade frame 3 is located below the motor stator 5, When the user locks the ceiling fan blade frame 3 to the lower cover body 8, it is easy to fix the bolts 4 of the ceiling fan blade frame 3 to be too long or the screw lock is too deep due to the screw lock, and the bolts 4 are abutted against the motor stator. 5, the cause of the stator 5 coil damage, resulting in the ceiling fan motor is vulnerable to damage.

Referring to FIG. 2, it is a schematic cross-sectional view of another conventional DC brushless ceiling fan motor housing structure, which discloses a two-piece DC brushless ceiling fan motor housing structure, the DC brushless ceiling fan motor housing The structure is formed by a cylindrical casing 1 and a cover body 2, and then a plurality of screws 9 are screw-locked, and the accommodation space formed in the casing 1 is provided for the capacity. The DC brushless motor is disposed. However, the combined structure has the advantages of convenient assembly compared with the above-mentioned three-piece DC brushless ceiling fan motor housing structure, but is still in the process of assembling and screwing the screws 9 during assembly. There are shortcomings that are not easy to correct, and because of the lock of the ceiling fan blade holder 3 The solid position is also located below the motor stator 5, so when the user locks the ceiling fan blade frame 3 to the cover body 2, it is also easy to fix the bolts 4 of the ceiling fan blade frame 3 by the screw locks or the screw locks. If the bolts 4 are too close to the DC brushless motor stator 5, the coils of the stator 5 are damaged, and there is a possibility that the ceiling fan motor is easily damaged.

In view of this, the creators of this case, after observing the above shortcomings, believe that the structure of the motor shell of the conventional DC brushless ceiling fan is further improved, and this creation is produced.

The main purpose of the present invention is to provide an improved structure of a DC brushless ceiling fan motor casing, which not only avoids damage to the motor caused by the locker during assembly, but also allows the locker to be easily threaded and threaded. Effectively shorten the assembly time of the DC brushless motor casing, and increase the economic benefits.

In order to achieve the above object, the DC brushless ceiling fan motor housing provided by the present invention is improved in structure, which comprises a casing having a top surface, and a peripheral wall extending downwardly from the periphery of the top surface to form a circumferential wall. And an accommodating space is formed in the peripheral wall of the ring, and an extending portion is formed on the bottom edge of the peripheral wall of the ring, and the extending portion is longitudinally spaced apart from the plurality of screw holes, and the outer periphery of the extending portion a first flange is protruded downwardly, and an opening is formed in the accommodating space and the extending portion; a cover is attached to the opening of the housing, and the cover system has a bottom a plurality of bolt holes are disposed in the longitudinal direction of the bottom portion, and the bolt holes are disposed at positions of the screw holes corresponding to the extending portion, and a second flange is protruded upwardly from the outer periphery of the bottom portion. The inner peripheral side of the second flange is tightly fitted to the outer peripheral side of the first flange; a plurality of fasteners are threaded through the bolt holes and are screwed to the screw holes for the cover to be locked Secured to the opening of the housing.

The structure of the DC brushless ceiling fan motor casing provided by the creation is improved, and the cover body is locked through the extension portion, and the ceiling fan blade frame is correspondingly installed, so that the motor can be prevented from being damaged by the lock when assembling, and The locking firmware does not need to be locked through the accommodating space, so that the locking device can be easily aligned and screwed in the extension portion, thereby effectively shortening the assembly time of the DC brushless motor casing, and achieving economic benefits. enhance.

1‧‧‧shell

2‧‧‧ cover

3‧‧‧ Ceiling fan blade holder

4‧‧‧ bolt

5‧‧‧ Stator

6‧‧‧Upper cover

7‧‧‧ middle circle

8‧‧‧Under cover

9‧‧‧ screw

10‧‧‧shell

11‧‧‧ top surface

111‧‧‧ first through hole

112‧‧‧Lock hole

12‧‧‧Circle wall

13‧‧‧Extension

131‧‧‧ screw holes

14‧‧‧First flange

15‧‧‧ accommodating space

16‧‧‧ openings

20‧‧‧ cover

21‧‧‧ bottom

211‧‧‧Second through hole

212‧‧‧ vents

213‧‧‧wind hood

214‧‧‧Bolt hole

215‧‧‧Spiral hole

22‧‧‧second flange

30‧‧‧Locker

200‧‧‧Ceiling fan blade holder

Fig. 1 is a schematic cross-sectional view showing the structure of a conventional DC brushless ceiling fan motor casing.

Figure 2 is a cross-sectional view showing another conventional DC brushless ceiling fan motor housing structure.

Figure 3 is a perspective view of the creation.

Figure 4 is an exploded view of the creation.

Figure 5 is a cross-sectional view of the creation.

Figure 6 is an enlarged cross-sectional view of the vent of the present invention.

Figure 7 is an enlarged cross-sectional view of the lock of the present invention.

Figure 8 is a schematic diagram of the use of this creation.

Please refer to FIG. 3 to FIG. 5 , which are perspective views, exploded views and cross-sectional views of the present invention, which disclose an improved structure of a DC brushless ceiling fan motor housing, and the DC brushless ceiling fan motor housing structure improvement system includes :

a housing 10 having a top surface 11 and a first through hole 111 is formed in the center of the top surface 11 for the shaft of the motor base to be inserted therein, and the outer periphery of the top surface 11 is A circumferential wall 12 is formed to extend downwardly, and an accommodating space 15 is formed in the circumferential wall 12 for receiving the stator and the rotor, and the top surface 11 is provided with a plurality of locks adjacent to the circumferential wall 12 a fixing hole 112 for locking the rotor so that the rotor can be fixed to the inner circumferential side of the circumferential wall 12, and an extending portion 13 is further formed laterally outwardly of the bottom edge of the circumferential wall 12, and The extending portion 13 is provided with a plurality of screw holes 131 in the longitudinal direction, and a first flange 14 is protruded downwardly from the outer periphery of the extending portion 13 , and the inner side of the first flange 14 is received therein. An opening 16 is formed in the space 15 and below the extension 13.

A cover body 20 is attached to the opening 16 of the housing 10, and the cover body 20 has a bottom portion 21, and a center of the bottom portion 21 is opposite to the first through hole 111. The bottom portion 21 is provided with a plurality of heat dissipation holes 212, and the heat dissipation holes 212 are correspondingly disposed under the accommodating space 15. Please refer to FIG. 6 for the vent hole of the creation. In an enlarged cross-sectional view, an air guiding cover 213 is disposed on each of the outer peripheral sides of the heat dissipation holes 212, and the air guiding cover 213 of the adjacent heat dissipation holes 212 is oppositely disposed. In the present invention, the air guiding cover 213 forms a half arc. a plurality of bolt holes 214 are disposed at a position of the bottom portion of the bottom portion 21, and the bolt holes 214 are disposed at positions corresponding to the screw holes 131 of the extending portion 13 and the bolts are disposed. The hole 214 is a tapered hole, and the bottom portion 21 is further provided with a plurality of screw holes 215 corresponding to the extending portion 13 for locking the ceiling fan blade frame, and the screw holes 215 are mutually The pitch of the hole is about 110 mm, which is exactly the same as that of the conventional ceiling fan blade frame. The outer edge of the bottom portion 21 is further convexly provided with a second flange 22, and the inner peripheral side of the second flange 22 The outer peripheral side of the first flange 14 is tightly fitted to each other.

A plurality of fasteners 30 are threaded through the bolt holes 214 to be screwed to the screw holes 131 for locking the cover 20 to the opening 16 of the housing 10. Referring to FIG. 7, An enlarged cross-sectional view of the lock of the present invention. In the present invention, the lock 30 is a corresponding plug hole 214, which can be used to lock the cover 20 and the housing 10 completely. The bolt holes 214 of the cover body 20 are buried to avoid affecting the locking of the blade frame.

In order to further understand the characteristics of this creation, the use of technical means and the expected results, we will use the way of using this creation. I believe that we can have a deeper and more specific understanding of this creation, as follows: Please continue to refer to Figure 8 is a schematic view of the use of the present invention, and as shown in Figures 3 to 5, the creation only needs to lock the fasteners 30 through the bolt holes 214. The screw hole 131 can be locked to the opening 16 of the housing 10, and when assembled and used, the ceiling fan blade holder 200 can be locked to the screw hole 215 of the cover body 20, The entire ceiling fan can be assembled for use by the user. It is worth mentioning that the structure of the DC brushless ceiling fan motor housing is improved, and the cover body 20 is locked through the extension portion 13 and is correspondingly installed for the ceiling fan blade holder 200, so that DC is not required. The brushless ceiling fan motor housing structure is configured to screw the screw through the entire accommodating space to screw the outer casing, and only need to pass through the bolt holes 214 at the extending portion 13 to be screwed to the screw holes. 131, so it is easy to carry out the alignment and The screwing operation effectively shortens the assembly time of the DC brushless motor casing and enhances the economic benefits.

In addition, the present invention is provided with the screw holes 215 corresponding to the extension portion 13 of the cover body 20 for locking the ceiling fan blade holders 200 when the user performs the assembly of the ceiling fan blade holders 200. If the lock is too long or the screw lock is too deep, the locks will only abut the extension 13 and will not be like the DC brushless ceiling fan motor housing structure, resulting in a DC brushless The motor stator prevents the motor from being damaged during assembly.

It is worth mentioning that the air hoods 213 are arranged opposite each other. Therefore, regardless of whether the ceiling fan provided by the present invention performs clockwise rotation or counterclockwise rotation, the airflow can be guided into the heat dissipation holes 212. , the effect of heat dissipation.

Hereby, the characteristics of this creation and its expected efficacies are stated as follows: The structure of the DC brushless ceiling fan motor housing of the present invention is improved, and the cover body is locked through the extension portion, and the ceiling fan blade frame is correspondingly installed. When the assembly is assembled, the lock is prevented from causing damage to the motor, and the lock can be locked without passing through the accommodating space, so that the lock is easily aligned and screwed in the extension portion, thereby Effectively shorten the assembly time of the DC brushless motor casing, and increase the economic benefits.

In summary, this creation has its excellent progress and practicality in similar products. At the same time, it has investigated the technical information about such structures at home and abroad. The same structure has not been found in the literature. This creation has already possessed new types of patent requirements, and applied for it according to law.

However, the above-mentioned ones are only one of the preferred embodiments of the present invention, and the equivalent structural changes in the application of the present specification and the scope of the patent application are intended to be included in the scope of the present patent.

10‧‧‧shell

11‧‧‧ top surface

111‧‧‧ first through hole

112‧‧‧Lock hole

12‧‧‧Circle wall

13‧‧‧Extension

131‧‧‧ screw holes

14‧‧‧First flange

16‧‧‧ openings

20‧‧‧ cover

21‧‧‧ bottom

211‧‧‧Second through hole

212‧‧‧ vents

214‧‧‧Bolt hole

215‧‧‧Spiral hole

22‧‧‧second flange

30‧‧‧Locker

Claims (7)

A DC brushless ceiling fan motor housing structure is improved, which comprises: a housing having a top surface, and a peripheral wall extending downwardly from the periphery to form a circumferential wall and formed in the circumferential wall of the ring An accommodating space is provided for accommodating a stator and a rotor, and an extending portion is formed laterally outwardly at a bottom edge of the peripheral wall of the ring, and the plurality of screw holes are longitudinally spaced apart from the extending portion. The housing is formed with an opening formed in the accommodating space and the extending portion; a cover body is closable to the opening of the housing, and the cover system has a bottom portion corresponding to the extending portion of the bottom portion A bolt hole is longitudinally disposed at a position of the screw hole, and the bottom portion is provided with a plurality of screw holes at a corresponding position of the extending portion for locking the leaf frame of the ceiling fan; a plurality of locking members are worn by each of the locking members The bolt hole is screwed to the screw hole to lock the cover body to the opening of the housing. The structure of the DC brushless ceiling fan motor casing according to claim 1, wherein the casing has a first flange protruding downward from the outer periphery of the extension portion, and the cover body is outside the bottom portion of the bottom portion. A second flange is protruded upward, and the second flange is tightly fitted to the first flange. According to the first aspect of the invention, the structure of the DC brushless ceiling fan motor housing is improved. The bottom of the cover body is provided with a plurality of heat dissipation holes, and the heat dissipation holes are correspondingly disposed under the accommodation space. According to the third aspect of the patent application, the DC brushless ceiling fan motor housing structure is improved, wherein an air guiding cover is disposed on the outer peripheral side of the heat dissipation holes. According to the fourth aspect of the invention, the structure of the DC brushless ceiling fan motor housing is improved, wherein the air vents are disposed opposite to each other. The structure of the DC brushless ceiling fan motor housing according to item 4 of the patent application scope is improved, The air hood is formed in a semi-circular shape and protrudes from the bottom of the cover. The structure of the DC brushless ceiling fan motor housing according to claim 1 is improved, wherein the bolt hole is a tapered hole, and the locking bolt corresponds to a plug-in flat head bolt.