CN209875551U - Blade structure of ceiling fan - Google Patents
Blade structure of ceiling fan Download PDFInfo
- Publication number
- CN209875551U CN209875551U CN201920612561.5U CN201920612561U CN209875551U CN 209875551 U CN209875551 U CN 209875551U CN 201920612561 U CN201920612561 U CN 201920612561U CN 209875551 U CN209875551 U CN 209875551U
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- China
- Prior art keywords
- blade
- ceiling fan
- fixing hub
- fan blade
- locking bolt
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Abstract
The utility model relates to a blade structure of a ceiling fan, which comprises a blade fixing hub fixedly arranged on an upper end cover of the ceiling fan and more than one blade which is detachably connected with the blade fixing hub; the outer peripheral side of the blade fixing hub is provided with inserting parts which correspond to the fan blades one by one, and the end parts of the inner sides of the fan blades are provided with inserting slots matched with the inserting parts; the blade fixing hub also comprises a pressure plate arranged on the upper side of the insertion part, the inner side of the pressure plate is locked on the upper end cover of the ceiling fan together with the blade fixing hub through a locking bolt A, and a gap for inserting the upper side wall of the fan blade is reserved between the outer side end of the pressure plate and the insertion part; the pressing plate, the fan blades and the inserting part are fixedly connected through a locking bolt B. An object of the utility model is to provide a ceiling fan blade structure that the assembly is firm, and the security is high. The utility model has the advantages that: the upside of grafting portion sets up the clamp plate, and clamp plate, flabellum and grafting portion pass through locking bolt B fixed connection, and the clamp plate of addding can greatly improve the stability that the flabellum is connected.
Description
Technical Field
The utility model relates to a ceiling fan, especially a ceiling fan blade structure.
Background
Ceiling fans are used to generate a flow of air in a space or area, typically for cooling or temperature regulation. Ceiling fans can be used in industrial, commercial, or agricultural environments to circulate air to maintain proper temperature regulation. The fan blade structure of current ceiling fan, the installation is complicated, and poor stability has certain potential safety hazard.
Disclosure of Invention
An object of the utility model is to provide a ceiling fan blade structure that the assembly is firm, and the security is high.
The purpose of the utility model is realized through the following technical scheme: a ceiling fan blade structure comprises a blade fixing hub fixedly arranged on an upper end cover of a ceiling fan and more than one blade which is detachably connected with the blade fixing hub; the outer peripheral side of the blade fixing hub is provided with inserting parts which correspond to the fan blades one by one, and the end parts of the inner sides of the fan blades are provided with inserting slots matched with the inserting parts; the blade fixing hub also comprises a pressure plate arranged on the upper side of the insertion part, the inner side of the pressure plate is locked on the upper end cover of the ceiling fan together with the blade fixing hub through a locking bolt A, and a gap for inserting the upper side wall of the fan blade is reserved between the outer side end of the pressure plate and the insertion part; the pressing plate, the fan blade and the inserting part are fixedly connected through a locking bolt B, and the locking bolt B sequentially penetrates through the pressing plate, the upper side wall of the fan blade, the inserting part and the lower side wall of the fan blade from top to bottom.
Compared with the prior art, the utility model has the advantages of.
1. The utility model discloses set up the clamp plate at the upside of grafting portion, clamp plate, flabellum and grafting portion pass through locking bolt B fixed connection, and the clamp plate of addding can greatly improve the stability that the flabellum is connected.
2. The pressure plate and the blade fixing hub are locked on the upper end cover of the ceiling fan together through the locking bolt A, and the pressure plate is independently fixed on the inner side area of the upper end cover of the ceiling fan through the locking bolt D, so that the upper end cover of the ceiling fan, the blade fixing hub and the pressure plate form a firm and stable whole.
3. The last lateral wall of slot is equipped with two strengthening ribs, and locking bolt B wears to establish between two strengthening ribs, and when locking bolt B fastened, the bottom sprag of strengthening rib was on grafting portion, can prevent that the flabellum from taking place deformation.
Drawings
Fig. 1 is a schematic view of the installation state of the fan blade structure of the ceiling fan of the present invention (the pressing plate is not shown).
Fig. 2 is a schematic view of the mounting state of the blade fixing hub.
Fig. 3 is a schematic view of the mounted state of the pressure plate.
FIG. 4 is a schematic view showing the installation state of the fan blades.
FIG. 5 is a partial cross-sectional view of a ceiling fan blade configuration.
Description of reference numerals: 1 blade fixing hub, 1-1 insertion part, 1-2 pressing plate, 1-3 locking bolt A, 1-4 locking bolt B, 1-5 locking bolt C, 1-6 locking bolt D, 2 fan blade, 2-1 slot, 2-2 reinforcing rib, 3 ceiling fan upper end cover and 3-1 annular groove.
Detailed Description
The invention is described in detail below with reference to the drawings and examples of the specification:
fig. 1 to 5 are schematic views illustrating an embodiment of a fan blade structure of a ceiling fan according to the present invention.
A fan blade structure of a ceiling fan comprises a blade fixing hub 1 fixedly arranged on an upper end cover 3 of the ceiling fan and more than one fan blade 2 which is detachably connected with the blade fixing hub 1.
The periphery of the blade fixing hub 1 is provided with inserting parts 1-1 which correspond to the fan blades 2 one by one, and the end part of the inner side of each fan blade 2 is provided with a slot 2-1 matched with the inserting part 1-1.
The blade fixing hub 1 further comprises a pressure plate 1-2 arranged on the upper side of the insertion part 1-1, the inner side of the pressure plate 1-2 is locked on an upper end cover 3 of the ceiling fan together with the blade fixing hub 1 through a locking bolt A1-3, and a gap for inserting the upper side wall of the fan blade 2 is reserved between the outer side end of the pressure plate 1-2 and the insertion part 1-1.
In this embodiment, the ceiling fan upper end cover 3 is also fixed to the motor housing by the locking bolt a1-3, that is, the locking bolt a1-3 sequentially penetrates through the pressing plate 1-2, the blade fixing hub 1 and the ceiling fan upper end cover 3 from top to bottom, and is finally locked to the motor housing, as shown in fig. 5.
The pressing plate 1-2, the fan blade 2 and the inserting part 1-1 are fixedly connected through a locking bolt B1-4, and the locking bolt B1-4 sequentially penetrates through the pressing plate 1-2, the upper side wall of the fan blade, the inserting part 1-1 and the lower side wall of the fan blade from top to bottom.
The blade fixing hub 1 is annular, a ring groove 3-1 matched with the blade fixing hub 1 is formed in the outer peripheral side of the upper end cover 3 of the ceiling fan, and the blade fixing hub 1 is fixed to the bottom of the ring groove 3-1 through a locking bolt C1-5.
The inserting parts 1-1 are locking plates which are expanded along the radial direction of the blade fixing hub 1, and the inserting parts 1-1 are distributed in a divergent mode by taking the circle center of the blade fixing hub 1 as the center.
The inner side of the pressure plate 1-2 extends to the area of the ceiling fan upper end cover 3 of the inner ring of the blade fixing hub 1 and is fixed on the ceiling fan upper end cover 3 through a locking bolt D1-6.
The number of the locking bolts B1-4 is more than two, and the locking bolts B1-4 are distributed at intervals along the length direction of the fan blade 2.
The pressure plate 1-2 is fixed on the upper end cover 3 of the ceiling fan by at least two locking bolts A1-3.
The cross section of the fan blade 2 is crescent, and the lower side surface of the pressing plate 1-2 is matched with the upper side surface of the fan blade 2.
The slot 2-1 extends along the length direction of the fan blade 2, at least two reinforcing ribs 2-2 are arranged on the upper side wall and/or the lower side wall of the slot 2-1, and the extending direction of the reinforcing ribs 2-2 is consistent with the extending direction of the slot 2-1.
The locking bolt B1-4 is arranged between the two reinforcing ribs 2-2 in a penetrating way, and the bottoms of the reinforcing ribs 2-2 are supported on the insertion part 1-1.
Claims (9)
1. A ceiling fan blade structure is characterized in that: the ceiling fan comprises a blade fixing hub (1) fixedly arranged on an upper end cover (3) of the ceiling fan and more than one fan blade (2) detachably connected with the blade fixing hub (1); the periphery of the blade fixing hub (1) is provided with inserting parts (1-1) which correspond to the blades (2) one by one, and the end part of the inner side of each blade (2) is provided with a slot (2-1) matched with the inserting part (1-1); the blade fixing hub (1) further comprises a pressing plate (1-2) arranged on the upper side of the insertion part (1-1), the inner side of the pressing plate (1-2) is locked on an upper end cover (3) of the ceiling fan together with the blade fixing hub (1) through a locking bolt A (1-3), and a gap for inserting the upper side wall of the blade (2) is reserved between the outer side end of the pressing plate (1-2) and the insertion part (1-1); the pressing plate (1-2), the fan blade (2) and the inserting part (1-1) are fixedly connected through a locking bolt B (1-4), and the locking bolt B (1-4) sequentially penetrates through the pressing plate (1-2), the upper side wall of the fan blade, the inserting part (1-1) and the lower side wall of the fan blade from top to bottom.
2. The ceiling fan blade structure of claim 1, wherein: the blade fixing hub (1) is annular, a ring groove (3-1) matched with the blade fixing hub (1) is formed in the outer peripheral side of the upper end cover (3) of the ceiling fan, and the blade fixing hub (1) is fixed to the bottom of the ring groove (3-1) through a locking bolt C (1-5).
3. The ceiling fan blade structure of claim 2, wherein: the inserting parts (1-1) are locking plates which are expanded along the radial direction of the blade fixing hub (1), and the inserting parts (1-1) are distributed in a divergent mode by taking the circle center of the blade fixing hub (1) as the center.
4. The ceiling fan blade structure of claim 2, wherein: the inner side of the pressure plate (1-2) extends to the area of an upper end cover (3) of the ceiling fan of the inner ring of the blade fixing hub (1) and is fixed on the upper end cover (3) of the ceiling fan through a locking bolt D (1-6).
5. The ceiling fan blade structure of claim 1, wherein: the number of the locking bolts B (1-4) is more than two, and the locking bolts B (1-4) are distributed at intervals along the length direction of the fan blade (2).
6. The ceiling fan blade structure of claim 1, wherein: the pressure plate (1-2) is fixed on an upper end cover (3) of the ceiling fan through at least two locking bolts A (1-3).
7. The ceiling fan blade structure of claim 1, wherein: the cross section of the fan blade (2) is crescent, and the lower side surface of the pressing plate (1-2) is matched with the upper side surface of the fan blade (2).
8. The ceiling fan blade structure of any one of claims 1 to 7, wherein: the slot (2-1) extends along the length direction of the fan blade (2), at least two reinforcing ribs (2-2) are arranged on the upper side wall and/or the lower side wall of the slot (2-1), and the extending direction of the reinforcing ribs (2-2) is consistent with that of the slot (2-1).
9. The ceiling fan blade structure of claim 8, wherein: the locking bolt B (1-4) penetrates between the two reinforcing ribs (2-2), and the bottoms of the reinforcing ribs (2-2) are supported on the insertion part (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612561.5U CN209875551U (en) | 2019-04-30 | 2019-04-30 | Blade structure of ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612561.5U CN209875551U (en) | 2019-04-30 | 2019-04-30 | Blade structure of ceiling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875551U true CN209875551U (en) | 2019-12-31 |
Family
ID=68963190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920612561.5U Active CN209875551U (en) | 2019-04-30 | 2019-04-30 | Blade structure of ceiling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102377251B1 (en) * | 2021-06-23 | 2022-03-22 | 세강솔루션 주식회사 | Industrial Ceiling Fan |
-
2019
- 2019-04-30 CN CN201920612561.5U patent/CN209875551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102377251B1 (en) * | 2021-06-23 | 2022-03-22 | 세강솔루션 주식회사 | Industrial Ceiling Fan |
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