CN212389577U - Novel fan blade - Google Patents
Novel fan blade Download PDFInfo
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- CN212389577U CN212389577U CN202020513348.1U CN202020513348U CN212389577U CN 212389577 U CN212389577 U CN 212389577U CN 202020513348 U CN202020513348 U CN 202020513348U CN 212389577 U CN212389577 U CN 212389577U
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- fan blade
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Abstract
The utility model discloses a novel fan blade, including the fan blade body, the fan blade body includes the upper casing that arches upwards and the lower casing that arches downwards, connect through level and smooth side portion between upper casing and the lower casing one end, level and smooth side portion cross-section is circular-arc, cross-over connection through the side board between the upper casing and the lower casing keep away from level and smooth side portion one end, the outside limit of side board forms the processing curve, form the cavity between upper casing and the lower casing, the fan blade adopts the widening design of wing type, makes the wind-force feel keep more lasting, the nice and cool effect more obvious; the reinforcing ribs are arranged in the cavity, so that the strength of the fan blade is enhanced, and the fatigue influence on the heel part is reduced; one side of the fan blade is machined and formed, a perfect appearance structure is guaranteed, the tail wing mounting hole and the plug mounting hole are additionally formed in the end portion of the fan blade, the design structure is convenient for installation of the tail wing and the plug, functions are powerful, and the fan blade is worthy of popularization.
Description
Technical Field
The utility model relates to a fan technical field specifically is a novel flabellum.
Background
The natural breeze generated by the large industrial fan blows on a human body to promote the evaporation of sweat to take away heat, so that the human body is cooled, and the cool feeling is brought. The machine is widely applied to high-volume spaces such as industrial factory buildings, logistics storage, waiting rooms, exhibition halls, gymnasiums, business halls and the like, and is used as a common industrial machine for ventilating the space and cooling the personnel. The industrial fan can push a large amount of airflow to the ground, and an airflow layer with a certain height moves horizontally on the ground, so that the overall air circulation is promoted, and the advantages of omnibearing ground coverage and three-dimensional air circulation are realized. The fan blades are important components of the industrial large fan and are also key factors for the performance of the industrial large fan.
The conventional fan blade structure has the following disadvantages: firstly, the leaf surface is too narrow, and the wind feeling can not be kept for too long time; secondly, the strength of the fan blades is poor, so that the root connection is easy to fatigue; thirdly, the modeling is unsightly, and the aesthetic feeling cannot be increased; in addition, the traditional fan blades and the empennage are mostly welded and fixed, and the empennage is mostly of a flat plate structure; when the fan blades are replaced, the tail wings are not convenient to detach, and generally need to be replaced together, so that material waste is caused, and the product cost is increased, therefore, a novel fan blade is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel flabellum to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel fan blade, includes the fan blade body, the fan blade body includes the last casing that upwards arches and the lower casing that arches downwards, go up and connect through level and smooth side portion between casing and the lower casing one end down, level and smooth side portion cross-section is circular-arcly, go up casing and casing down and keep away from between level and smooth side portion one end and cross the connection through the side board, the outside limit of side board forms the processing curve, go up the vacuole formation between casing and the lower casing, the cavity runs through both ends around the fan blade body along the axis, it is provided with the flabellum mounting hole to go up casing up end rear side.
Preferably, the cross sections of the upper shell, the lower shell and the cavity are arranged in a shape of willow leaves.
Preferably, the processing curve is preferably of the 'M' type.
Preferably, the front side and the rear side of the upper shell are respectively provided with an empennage mounting hole and a plug mounting hole, and the front end and the rear end of the fan blade body are respectively provided with an empennage mounting hole and a plug mounting hole.
Preferably, the upper surface in the upper shell is integrally provided with a limiting side edge part.
Preferably, a reinforcing rib is arranged in the cavity, and the upper end and the lower end of the reinforcing rib are respectively connected with the upper shell and the lower shell in an integrated manner.
Compared with the prior art, the beneficial effects of the utility model are that: the fan blade of the utility model adopts the widening design of the wing type, so that the wind power feeling is kept more lasting and the cooling effect is more obvious; the reinforcing ribs are arranged in the cavity, so that the strength of the fan blade is enhanced, and the fatigue influence on the heel part is reduced; one side of the fan blade is machined and formed, a perfect appearance structure is guaranteed, the tail wing mounting hole and the plug mounting hole are additionally formed in the end portion of the fan blade, the design structure is convenient for installation of the tail wing and the plug, functions are powerful, and the fan blade is worthy of popularization.
Drawings
FIG. 1 is a schematic view of a blade body of a novel fan blade;
fig. 2 is a schematic cross-sectional view of a fan blade body of a novel fan blade.
In the figure: 1-empennage mounting hole, 2-fan blade body, 21-upper shell, 22-lower shell, 23-smooth side edge part, 24-side edge plate, 25-cavity, 26-limiting side edge part, 3-processing curve, 4-plug mounting hole, 5-fan blade mounting hole and 6-reinforcing rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel fan blade, includes fan blade body 2, fan blade body 2 includes the last casing 21 of upwards arching and the lower casing 22 of downwards arching, go up and connect through level and smooth side portion 23 between casing 21 and the lower casing 22 one end, level and smooth side portion 23 cross-section is circular-arcly, go up casing 21 and casing 22 and keep away from between the 23 one end of level and smooth side portion through side board 24 connection that crosses, the outside limit of side board 24 forms processing curve 3, go up vacuole formation 25 between casing 21 and the lower casing 22, both ends around fan blade body 2 are run through along the axis to cavity 25, it is provided with flabellum mounting hole 5 to go up casing 21 up the terminal surface rear side.
The fan blade body 2 is installed through the fan blade installation hole 5, the fan blade body 2 is in a strip shape, the cavity 25 enables the weight of the fan blade body 2 to be reduced, and the operation energy consumption of the fan is saved; the processing curve 3 ensures that the fan has more beautiful appearance and brings enjoyment to people
The sections of the upper shell 21, the lower shell 22 and the cavity 25 are arranged in a willow leaf shape, the radian is gentle, and the wind feeling is kept lasting, and the cooling effect is more obvious.
The machining curve 3 is preferably of an 'M' type, and the machining curve 3 arranged in the 'M' type has two wave crests and one wave trough and is obtained through finish machining, so that the appearance is attractive.
The front side and the rear side of the upper shell 21 are respectively provided with an empennage mounting hole 1 and a plug mounting hole 4, the front end and the rear end of the fan blade body 2 are respectively provided with an empennage mounting hole and a plug mounting hole, wherein the empennage mounting hole 1 and the plug mounting hole 4 are through holes adopting a gravity center hole design structure, and stress balance during operation of the fan blade can be effectively kept.
The upper surface of the upper shell 21 is integrally provided with a limiting side part 26, and the limiting side part 26 can play a limiting role in installation.
And a reinforcing rib 6 is arranged in the cavity 25, and the upper end and the lower end of the reinforcing rib 6 are respectively connected with the upper shell 21 and the lower shell 22 in an integrated manner.
The reinforcing ribs enhance the self strength of the fan blades and the bending resistance of the fan blade body 2, and further reduce the fatigue influence on the heel part.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The novel fan blade comprises a fan blade body (2), and is characterized in that: fan blade body (2) are including last casing (21) and the lower casing (22) of arching downwards that upwards arches, go up casing (21) and connect through level and smooth side portion (23) between casing (22) one end down, level and smooth side portion (23) cross-section is circular-arcly, go up casing (21) and casing (22) down and keep away from between level and smooth side portion (23) one end through side board (24) intersection connection, the outside limit of side board (24) forms processing curve (3), go up between casing (21) and the lower casing (22) and form cavity (25), both ends around fan blade body (2) are run through along the axis in cavity (25), it is provided with flabellum mounting hole (5) to go up casing (21) up the terminal surface rear side.
2. The novel fan blade of claim 1, further comprising: the sections of the upper shell (21), the lower shell (22) and the cavity (25) are arranged in a shape of willow leaves.
3. The novel fan blade of claim 2, further comprising: the processing curve (3) is preferably of the 'M' type.
4. The novel fan blade of claim 3, further comprising: the fan blade is characterized in that the front side and the rear side of the upper shell (21) are respectively provided with an empennage mounting hole (1) and a plug mounting hole (4), and the front end and the rear end of the fan blade body (2) are respectively provided with an empennage mounting hole and a plug mounting hole.
5. The novel fan blade of claim 4, further comprising: the upper surface of the inner part of the upper shell (21) is integrally provided with a limit side part (26).
6. The novel fan blade of claim 5, further comprising: and a reinforcing rib (6) is arranged in the cavity (25), and the upper end and the lower end of the reinforcing rib (6) are respectively and integrally connected with the upper shell (21) and the lower shell (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513348.1U CN212389577U (en) | 2020-04-09 | 2020-04-09 | Novel fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020513348.1U CN212389577U (en) | 2020-04-09 | 2020-04-09 | Novel fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212389577U true CN212389577U (en) | 2021-01-22 |
Family
ID=74256474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020513348.1U Active CN212389577U (en) | 2020-04-09 | 2020-04-09 | Novel fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212389577U (en) |
-
2020
- 2020-04-09 CN CN202020513348.1U patent/CN212389577U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Type of Fan Blade Effective date of registration: 20230918 Granted publication date: 20210122 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: KALE ENVIRONMENTAL TECHNOLOGY (SHANGHAI) Corp. Registration number: Y2023980057392 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |