CN219317270U - Improved structure of wing spreading fan - Google Patents
Improved structure of wing spreading fan Download PDFInfo
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- CN219317270U CN219317270U CN202320155625.XU CN202320155625U CN219317270U CN 219317270 U CN219317270 U CN 219317270U CN 202320155625 U CN202320155625 U CN 202320155625U CN 219317270 U CN219317270 U CN 219317270U
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- sun gear
- chassis
- rod body
- limiting sliding
- gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to an improved structure of a wing spreading fan, which comprises fan blades, a chassis, a sun gear and a tension device, wherein rod bodies are arranged on the sun gear at intervals along the circumferential direction of the sun gear, limiting sliding grooves are arranged on the chassis at intervals along the circumferential direction of the sun gear, a yielding port is arranged at one port of the limiting sliding grooves, and the yielding port is communicated with the limiting sliding grooves; under the centrifugal force effect, each flabellum expands, and each flabellum drives the sun gear jointly and overcomes the pulling force of pulling force device and rotate, and when centrifugal force disappeared, pulling force device resets, because after the pulling force device installs, produces certain pulling force promptly, and pulling force drives the sun gear and rotates certain angle, makes the body of rod get into in the spacing spout to make the body of rod and spacing spout connect, the sun gear hangs in the bottom of chassis with movable mode, guarantees that the sun gear can not fall.
Description
Technical Field
The utility model relates to an improved structure of a wing spreading fan.
Background
The existing wing spreading fan is characterized in that the planetary gear is meshed with the sun gear, the fan blades are connected with the planetary gear, the fan blades are spread under the action of centrifugal force, the fan blades drive the sun gear to overcome the pulling force of the tension spring to rotate through the planetary gear, after the centrifugal force disappears, the tension spring resets to drive the sun gear to restore to the initial position, and the fan blades are synchronously folded, so that the fan blades are unfolded or folded.
In the existing design, for the installation of being convenient for, generally set up planetary gear and sun gear on the surface of chassis, although the installation is more simple and convenient, but the dust falls to the chassis surface easily, influences the transmission effect of sun gear and planetary gear.
In the existing design, the planet gears and the sun gears are arranged at the bottom of the chassis, so that the design has the advantages that the chassis shields the planet gears and the sun gears, dust is prevented from contacting the planet gears and the sun gears, the transmission effect of the planet gears and the sun gears is not affected, but the bottom mode of arranging the planet gears and the sun gears on the chassis is complex, the bottom mode of arranging the sun gears on the chassis is complex in the existing design, and assembly parts are more, and the assembly difficulty is high.
Disclosure of Invention
The utility model aims to provide an improved structure of a wing spreading fan with a simple sun gear installation.
The purpose of the utility model is realized in the following way:
the utility model provides an improvement structure of wing fan, includes flabellum, chassis, sun gear and tension device, its characterized in that: the sun gear is provided with rod bodies at intervals along the circumferential direction of the sun gear, the chassis is provided with limiting sliding grooves at intervals along the circumferential direction of the sun gear, a yielding port is arranged at one port of the chassis, which is positioned in the limiting sliding grooves, and the yielding port is communicated with the limiting sliding grooves;
the rod body passes through the abdication port, the tension device is respectively connected with the sun gear and the chassis, and the tension force generated by the tension device forces the rod body to leave the abdication port, enter the limit chute and be connected with the limit chute, so that the sun gear is connected with the chassis, the limit chute limits the sliding distance of the rod body, and the rotation angle of the sun gear is limited;
the fan blades are movably arranged on the chassis, the root parts of the fan blades are meshed with the sun gear, and each fan blade synchronously rotates through the sun gear;
under the centrifugal force effect, each flabellum expands, and each flabellum drives the sun gear jointly and overcomes the pulling force of pulling force device and rotate, and when centrifugal force disappeared, pulling force device resets, and pulling force device drives the sun gear and rotates, and the sun gear drives each flabellum synchronous revolution, and the centrifugal force exists or when disappearing, the body of rod is located spacing spout all the time.
When the sun gear is installed, a user passes the rod body through the yielding port, then the tension device is installed, and a certain tension force is generated after the tension device is installed, so that the sun gear is driven to rotate by a certain angle, the rod body enters the limiting sliding groove, the rod body is connected with the limiting sliding groove, the sun gear is suspended at the bottom of the chassis in a movable mode, and the sun gear is prevented from falling.
When centrifugal force is generated and the centrifugal force disappears, the tension device generates tension force, so that the rod body is always positioned in the limiting chute, the sun gear is always suspended on the chassis in a movable mode, the installation difficulty of the sun gear is greatly reduced, and meanwhile the sun gear is prevented from falling.
The aim of the utility model can be also solved by adopting the following technical measures:
further, the diameter of the yielding port is larger than the diameter of the rod body, the diameter of the limiting chute is smaller than the diameter of the rod body, the edges of the rod body, corresponding to the two sides of the limiting chute, are provided with notches, the rod body enters the limiting chute, the edges of the two sides of the limiting chute are inserted into the corresponding notches, and the rod body is connected with the limiting chute. The edges are inserted into the corresponding notches, and the edges upwards support the rod body so that the sun gear is suspended on the chassis and is prevented from falling.
Further, teeth corresponding to the number of the fan blades are arranged on the periphery of the sun gear at intervals. The tooth portions are spaced on the periphery of the sun gear, teeth are not required to be arranged on the periphery of the whole sun gear, production cost is reduced, meanwhile, the expansion angle of the fan blade is limited, and of course, tooth modes can be also arranged on the periphery of the sun gear.
Further, the rod body is arranged on the surface of the sun gear, and the sun gear is positioned at the bottom of the chassis. The sun gear is positioned at the bottom of the chassis, so that dust is prevented from contacting the sun gear, and the transmission effect of the sun gear is better.
Further, the tension device is a tension spring, the bottom surface of the sun gear is provided with first connecting parts at intervals along the circumferential direction of the bottom surface of the sun gear, the bottom surface of the chassis is provided with second connecting parts at intervals along the circumferential direction of the bottom surface of the chassis, one end of the tension spring is connected with the first connecting parts, the other end of the tension spring is connected with the second connecting parts, and the tension spring forms a reset mechanism of the sun gear.
Further, the novel planetary gear is characterized by further comprising planetary gears, wherein fan blade installation areas are arranged on the surface of the chassis at intervals, gear installation areas are arranged on the bottom surface of the chassis at positions corresponding to the fan blade installation areas, shaft holes penetrating through the fan blade installation areas and the gear installation areas are formed in the chassis, the planetary gears are arranged in the gear installation areas and meshed with tooth parts corresponding to the sun gears, rotating shafts are arranged at the roots of the fan blades, the roots of the fan blades are arranged in the fan blade installation areas, and the rotating shafts penetrate through the shaft holes to be connected with the corresponding planetary gears.
The beneficial effects of the utility model are as follows:
according to the utility model, when the sun gear is installed, a user passes through the abdication port and then installs the tension device, and as the tension device is installed, a certain tension is generated, the tension drives the sun gear to rotate for a certain angle, so that the rod body enters the limiting chute, the rod body is connected with the limiting chute, the sun gear is suspended at the bottom of the chassis in a movable mode, and the sun gear is ensured not to fall.
According to the utility model, when centrifugal force is generated and the centrifugal force is eliminated, the tension device generates tension force, so that the rod body is always positioned in the limiting chute, the sun gear is always suspended on the chassis in a movable mode, the sun gear cannot fall down, the installation difficulty of the sun gear is greatly reduced, and meanwhile, the sun gear is prevented from falling down.
Drawings
Fig. 1 is a schematic view of a wing spread fan.
Fig. 2 is another angular schematic view of the wing spread fan.
Fig. 3 is a schematic view of a wing-spreading fan (with part of the fan blade hidden).
Fig. 4 is a cross-sectional view of the wing spread.
Fig. 5 is an exploded view of the wing spread fan.
Fig. 6 is another angular exploded view of the wing spread.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples:
the embodiment, with reference to fig. 1 to 6, shows an improved structure of wing spreading fan, including fan blade 1, chassis 2, sun gear 3 and tension device, its characterized in that: the sun gear 3 is provided with rod bodies 4 at intervals along the circumferential direction, the chassis 2 is provided with limiting sliding grooves 21 at intervals along the circumferential direction, a yielding port 22 is arranged at one port of the chassis 2, which is positioned on the limiting sliding grooves 21, and the yielding port 22 is communicated with the limiting sliding grooves 21;
the rod body 4 passes through the abdication port 22, the tension device is respectively connected with the sun gear 3 and the chassis 2, and the tension force generated by the tension device forces the rod body 4 to leave the abdication port 22, enter the limit chute 21 and be connected with the limit chute 21, so that the connection between the sun gear 3 and the chassis 2 is realized, and the limit chute 21 limits the sliding distance of the rod body 4, thereby limiting the rotation angle of the sun gear 3;
the fan blades 1 are movably arranged on the chassis 2, the root parts of the fan blades 1 are meshed with the sun gear 3, and each fan blade 1 synchronously rotates through the sun gear 3;
under the action of centrifugal force, the fan blades 1 are unfolded, the fan blades 1 drive the sun gear 3 to rotate against the pulling force of the pulling force device, when the centrifugal force disappears, the pulling force device resets, the pulling force device drives the sun gear 3 to restore to the initial position, and the sun gear 3 drives each fan blade 1 to synchronously rotate to the initial position.
When the sun gear 3 is installed, a user passes the rod body 4 through the abdication port 22, then the tension device is installed, and as the tension device is installed, certain tension is generated, the tension drives the sun gear 3 to rotate by a certain angle, the rod body 4 enters the limiting sliding groove 21, so that the rod body 4 is connected with the limiting sliding groove 21, the sun gear 3 is suspended at the bottom of the chassis 2 in a movable mode, and the sun gear 3 is prevented from falling.
When centrifugal force is generated and the centrifugal force disappears, the tension device generates tension force, the rod body 4 is always positioned in the limiting chute 21, the sun gear 3 is always suspended on the chassis 2 in a movable mode, the sun gear 3 cannot fall, the installation difficulty of the sun gear 3 is greatly reduced, and meanwhile the sun gear 3 is prevented from falling.
Further, the diameter of the yielding opening 22 is larger than the diameter of the rod body 4, the diameter of the limiting chute 21 is smaller than the diameter of the rod body 4, the edges 211 of the two sides of the rod body 4 corresponding to the limiting chute 21 are provided with notches 9, the rod body 4 enters the limiting chute 21, and the edges 211 of the two sides of the limiting chute 21 are inserted into the corresponding notches 9, so that the connection between the rod body 4 and the limiting chute 21 is realized. The edge 211 is inserted into the corresponding notch 9, and the edge 211 upwards supports the rod body 4, so that the sun gear 3 is hung on the chassis, and the sun gear 3 is prevented from falling.
Further, teeth 31 corresponding to the number of the fan blades 1 are provided at intervals on the outer periphery of the sun gear 3. The teeth 31 are spaced on the outer periphery of the sun gear 3, teeth are not required to be arranged on the outer periphery of the whole sun gear 3, production cost is reduced, the expansion angle of the fan blade 1 is limited, and of course, teeth can be arranged on the outer periphery of the sun gear 3.
Further, the rod body 4 is arranged on the surface of the sun gear 3, and the sun gear 3 is positioned at the bottom of the chassis 2. The sun gear 3 is located the bottom of chassis 2, avoids dust contact sun gear 3, and the transmission effect of sun gear 3 is better.
Further, the tension device is a tension spring, the bottom surface of the sun gear 3 is provided with first connecting portions 5 at intervals along the circumferential direction of the tension spring, the bottom surface of the chassis 2 is provided with second connecting portions 6 at intervals along the circumferential direction of the tension spring, one end of the tension spring is connected with the first connecting portions 5, the other end of the tension spring is connected with the second connecting portions 6, and the tension spring forms a reset mechanism of the sun gear 3.
Further, the novel fan blade structure further comprises a planetary gear 7, fan blade installation areas 23 are arranged on the surface of the chassis 2 at intervals, a gear installation area 24 is arranged on the bottom surface of the chassis 2 corresponding to the positions of the fan blade installation areas 23, a shaft hole 25 penetrating through the fan blade installation areas 23 and the gear installation areas 24 is formed in the chassis 2, the planetary gear 7 is arranged in the gear installation areas 24, the planetary gear 7 is meshed with tooth parts 31 corresponding to the sun gear 3, a rotating shaft is arranged at the root of the fan blade 1, the root of the fan blade 1 is arranged in the fan blade installation areas 23, and the rotating shaft penetrates through the shaft hole 25 to be externally connected with the corresponding planetary gear 7.
Working principle:
when the sun gear 3 is installed, a user passes the rod body 4 through the yielding port 22, and the diameter of the yielding port 22 is larger than that of the rod body 4, so that the rod body 4 easily passes through the yielding port 22, then the user connects one end of the tension spring with the first connecting part 5 of the sun gear 3, the other end of the tension spring is connected with the second connecting part 6 of the chassis 2, and the sun gear 3 is quite simple to install.
Because the tension spring is installed and then generates certain tension, the tension drives the sun gear 3 to rotate by a certain angle, the rod body 4 enters the limiting chute 21, and meanwhile, the edge 211 of the limiting chute 21 is inserted into the notch 9 of the rod body 4, the edge 211 upwards supports the sun gear 3, and in this state, the sun gear 3 is suspended at the bottom of the chassis 2 in a movable mode, so that the sun gear 3 is prevented from falling.
When centrifugal force is generated, the fan blades 1 are unfolded, the fan blades 1 drive the sun gear 3 to rotate for a certain angle against the pulling force of the tension spring through the planet gears 7, and in this case, the rod body 4 is still positioned in the limiting sliding groove 21, and the sun gear 3 cannot fall.
When centrifugal force disappears, the pulling force of extension spring drives sun gear 3 to resume to initial position, and sun gear 3 passes through planetary gear 7 and drives flabellum 1 and resume to initial position in step, and in this case, there is certain pulling force in extension spring all the time, and the pulling force drives sun gear 3 rotatory certain angle, makes body of rod 4 still be in spacing spout 21, and sun gear 3 can not fall.
Therefore, when centrifugal force is generated and the centrifugal force disappears, the tension springs generate tension, the rod body 4 is always positioned in the limiting sliding groove 21, the sun gear 3 is always hung on the chassis 2 in a movable mode, the sun gear 3 cannot fall down, the installation difficulty of the sun gear 3 is greatly reduced, and meanwhile the sun gear 3 is prevented from falling down.
Claims (6)
1. The utility model provides an improvement structure of wing fan, includes flabellum (1), chassis (2), sun gear (3) and tension device, its characterized in that: the sun gear (3) is provided with rod bodies (4) at intervals along the circumferential direction of the sun gear, the chassis (2) is provided with limiting sliding grooves (21) at intervals along the circumferential direction of the sun gear, a yielding port (22) is arranged at one port of the limiting sliding grooves (21) of the chassis (2), and the yielding port (22) is communicated with the limiting sliding grooves (21);
the rod body (4) passes through the yielding port (22), the tension device is respectively connected with the sun gear (3) and the chassis (2), the tension generated by the tension device forces the rod body (4) to leave the yielding port (22) and enter the limiting chute (21) and be connected with the limiting chute (21), the connection of the sun gear (3) and the chassis (2) is realized, and the limiting chute (21) limits the sliding distance of the rod body (4), so that the rotation angle of the sun gear (3) is limited;
the fan blades (1) are movably arranged on the chassis (2), the root parts of the fan blades (1) are meshed with the sun gear (3), and each fan blade (1) synchronously rotates through the sun gear (3).
2. The improved structure of the wing spreading fan according to claim 1, wherein: the diameter of the yielding port (22) is larger than that of the rod body (4), the diameter of the limiting sliding groove (21) is smaller than that of the rod body (4), the edges (211) on two sides of the limiting sliding groove (21) are correspondingly provided with notches (9), the rod body (4) enters the limiting sliding groove (21), and the edges (211) on two sides of the limiting sliding groove (21) are inserted into the corresponding notches (9), so that the rod body (4) is connected with the limiting sliding groove (21).
3. The improved structure of the wing spreading fan according to claim 1, wherein: tooth parts (31) corresponding to the number of the fan blades (1) are arranged on the periphery of the sun gear (3) at intervals.
4. The improved structure of the wing spreading fan according to claim 1, wherein: the surface of the sun gear (3) is provided with the rod body (4), and the sun gear (3) is positioned at the bottom of the chassis (2).
5. The improved structure of the wing spreading fan according to claim 1, wherein: the tension device is a tension spring, a first connecting part (5) is arranged on the bottom surface of the sun gear (3) along the circumferential direction at intervals, a second connecting part (6) is arranged on the bottom surface of the chassis (2) along the circumferential direction at intervals, one end of the tension spring is connected with the first connecting part (5), the other end of the tension spring is connected with the second connecting part (6), and the tension spring forms a reset mechanism of the sun gear (3).
6. The improved structure of the wing spreading fan according to claim 1, wherein: still including planetary gear (7), chassis (2) surface interval is provided with flabellum installation region (23), chassis (2) bottom surface corresponds the position of flabellum installation region (23) and is provided with gear installation region (24), chassis (2) are opened there is shaft hole (25) that run through flabellum installation region (23) and gear installation region (24), planetary gear (7) are arranged in gear installation region (24), tooth portion (31) meshing that planetary gear (7) and sun gear (3) correspond, flabellum (1) root is provided with the pivot, flabellum (1) root is sat in flabellum installation region (23), and pivot passes planetary gear (7) that shaft hole (25) external connection corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155625.XU CN219317270U (en) | 2023-01-16 | 2023-01-16 | Improved structure of wing spreading fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155625.XU CN219317270U (en) | 2023-01-16 | 2023-01-16 | Improved structure of wing spreading fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219317270U true CN219317270U (en) | 2023-07-07 |
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ID=87028474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320155625.XU Active CN219317270U (en) | 2023-01-16 | 2023-01-16 | Improved structure of wing spreading fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219317270U (en) |
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2023
- 2023-01-16 CN CN202320155625.XU patent/CN219317270U/en active Active
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