CN213478745U - Fan blade component - Google Patents
Fan blade component Download PDFInfo
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- CN213478745U CN213478745U CN202022099880.6U CN202022099880U CN213478745U CN 213478745 U CN213478745 U CN 213478745U CN 202022099880 U CN202022099880 U CN 202022099880U CN 213478745 U CN213478745 U CN 213478745U
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- hub
- fan blade
- ring portion
- blades
- blade assembly
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Abstract
The utility model discloses a fan blade component, including first wheel hub, second wheel hub and a plurality of blade, first wheel hub with second wheel hub threaded connection, the blade with first wheel hub can dismantle the connection, the blade is pressed from both sides tightly first wheel hub with between the second wheel hub, first wheel hub includes first hub and first ring portion, the blade with first ring portion can be dismantled the connection, second wheel hub includes second hub, second ring portion and second wheel hub body, the second hub with first hub threaded connection, the blade is pressed from both sides tightly first ring portion with between the second ring portion. The utility model discloses a simple structure does not need unnecessary instrument, can simple quick assembly disassembly fan blade, both convenient transportation has also realized fool's installation, can the wide application.
Description
Technical Field
The utility model relates to an electric fan equipment technical field, concretely relates to fan blade assembly.
Background
Electric fans are often used as small appliances, particularly in summer; the electric fan is generally transported by parts in the transportation process, namely, the electric fan is disassembled into various parts and then is assembled and used home, so that the electric fan is convenient to transport; the fan blades in the electric fan are generally integrally formed by adopting an integral forming technology, and a hub in the middle and the blades on the outer side are integrally formed, so that the electric fan is convenient to produce and use, but the whole fan blades occupy larger volume in transportation due to larger occupied area, and especially some small fans occupy larger volume. Chinese patent 201620764717.8 provides a fan blade assembly, which comprises a hub with a shaft hole and a plurality of blades, wherein the hub is provided with a plurality of mounting positions for mounting the blades, and the blades are detachably connected to the corresponding mounting positions. However, the structure is complicated and cannot be disassembled quickly. Based on this, the utility model provides a fan blade subassembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan blade subassembly aims at solving prior art fan blade dismouting structure complicacy, problem that can not dismantle fast.
In order to achieve the purpose, the utility model provides a following technical scheme:
a fan blade component comprises a first hub, a second hub and a plurality of blades, wherein the first hub is in threaded connection with the second hub, the blades are detachably connected with the first hub, and the blades are clamped between the first hub and the second hub.
Further, the first hub comprises a first hub portion and a first ring portion, the blades are detachably connected with the first ring portion, the second hub comprises a second hub portion, a second ring portion and a second hub body, the second hub portion is in threaded connection with the first hub portion, and the blades are clamped between the first ring portion and the second ring portion.
Further, the second ring portion is located inside the first ring portion.
Furthermore, the blade includes blade body and connecting portion, connecting portion connect in the one end of blade body, connecting portion include top and grafting portion, be equipped with the through-hole in the grafting portion, first ring portion includes a plurality of installation positions and a plurality of fixed position, grafting portion passes through the through-hole is connected on the installation position, one side that the installation position is close to first hub is equipped with the first location strip that extends to first hub direction, first location strip is connected the both sides of installation position, first location strip supports top the through-hole, one side that the fixed position is close to first hub is equipped with the second location strip that extends to first hub direction, the second location strip is connected the both sides of fixed position, the second location strip supports top grafting portion peripheral both sides.
Further, the installation position is adjacent to the fixing position.
Further, the abutting part abuts against one side, away from the first hub part, of the mounting position and the fixing position.
Furthermore, a support strip is connected between the first hub part and the first ring part, the support strip is arranged between the mounting position and the fixing position, and the support strip is used for supporting the insertion part.
Furthermore, a plurality of reinforcing ribs are arranged on the outer side of the first hub portion.
Furthermore, a shaft hole is formed in the middle of the second hub portion.
The utility model provides a fan blade component compares in prior art and has following beneficial effect:
the utility model discloses a blade can be dismantled with first wheel hub and be connected, and the blade is pressed from both sides tightly between first wheel hub and second wheel hub, during the installation, connects the blade on first wheel hub, screws up first wheel hub on second wheel hub, can realize the installation of fan blade, during the dismantlement, unscrews first wheel hub, with first wheel hub and second wheel hub separation, can take off the blade, realizes the dismantlement of fan blade. The utility model discloses a simple structure does not need unnecessary instrument, can simple quick assembly disassembly fan blade, has both made things convenient for the transportation, has also realized fool's installation, can the wide application.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
FIG. 2 is a schematic view of the reverse structure of the present invention;
FIG. 3 is a schematic view of the exploded structure of the present invention;
fig. 4 is a schematic structural view of a first hub in the present invention;
fig. 5 is a schematic structural view of the second hub of the present invention.
[ description of reference ]
1-first hub, 11-first hub part, 12-first ring part, 120-mounting part, 121-fixing part, 13-first positioning strip, 14-second positioning strip, 15-supporting strip, 16-reinforcing rib, 2-second hub, 21-second hub part, 210-shaft hole, 22-second ring part, 23-second hub body, 3 blades, 31-blade body, 32-connecting part, 320-abutting part, 321-inserting part and 3210-through hole.
Detailed Description
The present invention will be described in detail with reference to the following specific examples.
As shown in fig. 1 to 5, a fan blade assembly includes a first hub 1, a second hub 2, and a plurality of blades 3, the number of the blades 3 is 2n +1, n is a natural number, and an odd number of blades are provided to avoid resonance and improve stability of the fan blade 3, preferably, n is 2 or 3. The first hub 1 is in threaded connection with the second hub 2, the blades 3 are detachably connected with the first hub 1, the blades 3 are clamped between the first hub 1 and the second hub 2, the first hub 1 comprises a first hub part 11 and a first ring part 12, the blades 3 are detachably connected with the first ring part 12, the second hub 2 comprises a second hub part 21, a second ring part 22 and a second hub body 23, the second hub part 21 is in threaded connection with the first hub part 11, the blades 3 are clamped between the first ring part 12 and the second ring part 22, and the second ring part 22 is located on the inner side of the first ring part 12. The plurality of reinforcing ribs 16 are disposed on the outer side of the first hub 11, and the strength of the first hub 11 can be increased by providing the reinforcing ribs 16, so that the stability of connection between the first hub 1 and the second hub 2 is increased, and the stability of the fan blade assembly is improved.
In this embodiment, the blade 3 includes a blade body 31 and a connection portion 32, the connection portion 32 is connected to one end of the blade body 31, the connection portion 32 includes a butting portion 320 and an insertion portion 321, a through hole 3210 is formed in the insertion portion 321, the first ring portion 12 includes a plurality of mounting positions 120 and a plurality of fixing positions 121, the insertion portion 321 is connected to the mounting positions 120 through the through hole 3210, a first positioning strip 13 extending in the direction of the first hub portion 11 is disposed on one side of the mounting positions 120 close to the first hub portion 11, the first positioning strip 13 is connected to both sides of the mounting positions 120, the first positioning strip 13 butts against the through hole 3210, a second positioning strip 14 extending in the direction of the first hub portion 11 is disposed on one side of the fixing positions 121 close to the first hub portion 11, the second positioning strip 14 is connected to both sides of the fixing positions 121, and the second positioning strip 14 butts against both.
In the present embodiment, the mounting position 120 is disposed adjacent to the fixing position 121.
In the present embodiment, the abutting portion 320 abuts against the mounting portion 120 and the fixing portion 121 on a side away from the first hub portion 11, the abutting of the abutting portion 320 can improve the stability of the connection between the blade 3 and the mounting portion 120, and the strength of the blade 3 is also increased due to the arrangement of the abutting portion 320.
In this embodiment, a supporting bar 15 is connected between the first hub 11 and the first ring 12, the supporting bar 15 is disposed between the mounting portion 120 and the fixing portion 121, the supporting bar 15 is used for supporting the inserting portion 32, the stability of the inserting portion 321 is enhanced by the supporting of the supporting bar 15, and for better positioning of the blade 3, the height of the supporting bar 15 is smaller than the height of the first positioning bar 13 and the second positioning bar 14.
In the present embodiment, the second hub 21 has a shaft hole 210 formed at a middle portion thereof, and the shaft hole 210 is used for connecting an external motor.
The utility model discloses the theory of operation: when the mounting is needed, the through hole 3210 on the inserting portion 321 is inserted into the mounting position 120, at this time, the abutting portion 320 abuts against the outer side of the first ring portion 12, the first positioning strip 13 abuts against the inner side of the through hole 3210, the through hole 3210 and the first positioning strip 13 cooperate to position the connecting portion 32 to prevent the inserting portion 321 from moving, the second positioning strip 14 abuts against both sides of the periphery of the inserting portion 321 to further limit the position of the inserting portion 321 to prevent the inserting portion 321 from shifting, the positioning function is further achieved, the supporting bar 15 supports the inserting portion 32 to enhance the stability of the inserting portion 321, after the connecting portion 32 is positioned, the second hub portion 21 of the second hub 2 is screwed with the first hub portion 11 to lock the first hub 1 and the second hub 2, at this time, the first ring portion 12 is outside the second ring portion 22, and the second hub body 23 presses the inserting portion 321 tightly, the insertion portion 321 is locked in the first hub 1, and thus, the installation of the fan blade assembly is completed. When needs are dismantled, unscrew second hub portion 21 of second wheel hub 2, with first wheel hub 1 and the separation of second wheel hub 2, can take off blade 3, realize fan blade subassembly's dismantlement. The utility model discloses a simple structure does not need unnecessary instrument, can simple quick assembly disassembly fan blade, has both made things convenient for the transportation, has also realized fool's installation, can the wide application.
In the present application, when directional terms are used, they are used for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the invention in any way. In the present invention, unless otherwise expressly specified or limited, when terms such as "disposed on," "connected to," or "connected to" are present, these terms are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In the present invention, unless otherwise specified and limited, when the first feature is present as "upper" and "lower" of the second feature, it may include that the first feature is in direct contact with the second feature, and it may also include that the first feature is in contact with the second feature not in direct contact but through another feature therebetween. Moreover, the first feature being "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely an elevation at which the first feature is higher than the elevation of the second feature; a first feature may be "below" a second feature, including a first feature that is directly below and obliquely below the second feature, or may simply be an indication that the first feature is at a lower elevation than the second feature.
The features of the embodiments and embodiments described above may be combined with each other without conflict.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A fan blade component is characterized by comprising a first hub, a second hub and a plurality of blades, wherein the first hub is in threaded connection with the second hub, the blades are detachably connected with the first hub, and the blades are clamped between the first hub and the second hub.
2. The fan blade assembly of claim 1 wherein the first hub includes a first hub portion and a first ring portion, the blades being removably connected to the first ring portion, the second hub includes a second hub portion, a second ring portion, and a second hub body, the second hub portion being threadably connected to the first hub portion, the blades being clamped between the first ring portion and the second ring portion.
3. The fan blade assembly of claim 2 wherein the second ring portion is located inside the first ring portion.
4. The fan blade assembly of claim 2 wherein the blade comprises a blade body and a connection portion, the connecting part is connected with one end of the blade body and comprises a butting part and an inserting part, the insertion part is provided with a through hole, the first ring part comprises a plurality of mounting positions and a plurality of fixing positions, the inserting part is connected to the mounting position through the through hole, a first positioning strip extending towards the direction of the first hub part is arranged on one side of the mounting position close to the first hub part, the first positioning strips are connected to two sides of the mounting position and abut against the through holes, a second positioning strip extending towards the direction of the first hub part is arranged on one side of the fixing position close to the first hub part, the second positioning strips are connected to two sides of the fixing position and abut against two sides of the periphery of the inserting part.
5. The fan blade assembly of claim 4, wherein said mounting locations are located adjacent to said securing locations.
6. The fan blade assembly of claim 4 wherein said abutments abut against a side of said mounting and securing locations remote from said first hub portion.
7. The fan blade assembly of claim 4, wherein a support strip is coupled between the first hub portion and the first ring portion, the support strip being disposed between the mounting location and the securing location, the support strip being configured to support the insertion portion.
8. The fan blade assembly of claim 2 wherein the first hub portion is provided with a plurality of reinforcing ribs on an outer side thereof.
9. The fan blade assembly of claim 2 wherein the second hub portion has a shaft bore in a central portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022099880.6U CN213478745U (en) | 2020-09-23 | 2020-09-23 | Fan blade component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022099880.6U CN213478745U (en) | 2020-09-23 | 2020-09-23 | Fan blade component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213478745U true CN213478745U (en) | 2021-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022099880.6U Active CN213478745U (en) | 2020-09-23 | 2020-09-23 | Fan blade component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213478745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11863049B1 (en) * | 2023-08-02 | 2024-01-02 | Dongliang Tang | Hollow direct-current brushless motor and fan |
-
2020
- 2020-09-23 CN CN202022099880.6U patent/CN213478745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11863049B1 (en) * | 2023-08-02 | 2024-01-02 | Dongliang Tang | Hollow direct-current brushless motor and fan |
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