CN108150439B - Invisible fan - Google Patents
Invisible fan Download PDFInfo
- Publication number
- CN108150439B CN108150439B CN201711419317.9A CN201711419317A CN108150439B CN 108150439 B CN108150439 B CN 108150439B CN 201711419317 A CN201711419317 A CN 201711419317A CN 108150439 B CN108150439 B CN 108150439B
- Authority
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- China
- Prior art keywords
- fan
- rotating disc
- driving gear
- fan blade
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 241000883990 Flabellum Species 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/088—Ceiling fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
- F04D29/362—Blade mountings adjustable during rotation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A stealth fan, the stealth fan comprises a driving motor, a fixed shaft and an outer rotor; the invisible fan also comprises a rotating disc and a fan blade assembly, wherein the fan blade assembly comprises fan blades and fan blade gears, the fan blade gears are fixedly connected with fan blades which rotate along with the fan blades, the fan blades are unfolded or folded relative to the rotating disc, a clamping mechanism which enables the rotating disc and the driving gear to be relatively staggered in angle and then to synchronously rotate when the driving gear rotates along with the rotation of the outer rotor, so that the fan blades are firstly unfolded relative to the rotating disc and then are fixed relative to the rotating disc, and a reset spring which enables the fan blades to be folded relative to the rotating disc when the driving gear stops rotating is further arranged between the driving gear and the rotating disc. The invention has simple and compact design structure and easy assembly, and the folding of the fan blades can reduce the occupation of space and is beautiful.
Description
[ Field of technology ]
The invention relates to an invisible fan, in particular to an invisible fan capable of automatically and rapidly expanding and collapsing fan blades.
[ Background Art ]
In life, many people can use a hanging fan to cool, especially in summer, a hanging fan is hung on the roof, so that cool wind can be maximally emitted, the indoor cooling can be realized in a large range, and the indoor stuffiness of people is solved; however, the fan blade has the defects of large occupied space, unattractive appearance and no way to assemble the ceiling lamp on the roof.
The publication number is: CN101258366a discloses a combined ceiling fan and light fixture with folding fan blades comprising a blade support device, a planetary gear, a sun gear, an electric motor and fan blades; said electric motor being mounted coaxially with the sun gear to said blade support means, the root of the blade being pivotable between a folded position and an operative position about a blade pivot axis in which said blade support means is secured at its end, a planet gear being arranged to rotate with said blade, said planet gear and said planet gear being intermeshed; the structure is characterized in that the electric motor, the blade support piece device and the sun gear are relatively fixedly connected, when the electric motor is connected, the blades are pushed outwards by centrifugal force, so that the blades are unfolded to supply air, but if the electric motor is slow, the rotating speed of the motor is insufficient to provide enough centrifugal force, the blades cannot be opened or the opening degree of the blades is insufficient, and the fan cannot work normally.
The publication number is: CN206035860U discloses a stealth fan, comprising a fixed disk, a rotary piece and fan blades; the fixed disc is connected with the driving motor, and the rotating disc is movably connected with the fixed disc; the fixed disk is provided with a mounting hole for the rotating piece to pass through, and the rotating piece passes through the mounting hole to be connected with the fan blade and fix the fan blade on the fixed disk; the rotating member is provided with a gear, the rotating disc is fixed with a plastic gear, and the plastic gear is meshed with the gear on the rotating member; a plurality of sliding grooves are formed in the rotating disc, and limiting columns are arranged in the sliding grooves; a plurality of springs are arranged between the fixed disc and the rotating disc. When the invisible fan operates, the driving motor drives the fixed disc to rotate, the fan blades fixed on the fixed disc are opened due to centrifugal force, the gears on the rotating parts synchronize the movement to the rotating disc, the rotating disc rotates for a certain angle and is not rotating due to the limitation of the sliding groove and the limiting column, the fan blades are not opened after being opened for a certain angle, whether the fan blades can be opened depends on the centrifugal force generated when the fixed disc rotates, but if the motor rotating speed is low, the motor rotating speed is insufficient to provide enough centrifugal force, the fan blades cannot be opened or the opening degree of the fan blades is insufficient, the fan cannot be well discharged, and the experience of people on the fan is greatly discounted.
[ Invention ]
The invention aims to solve the problems and provides a novel invisible fan, which is characterized in that a motor is used for driving a driving gear to rotate so as to actively open fan blades, so that the problem that the fan blades cannot be opened due to insufficient centrifugal force when the motor rotates slowly can be well solved. When the novel invisible fan rotates very slowly, the fan blades can be unfolded well under the driving of the motor.
The invention uses the motor to drive the driving gear to rotate, so that the fan blade is actively and quickly opened and is closed by the reset spring, which can combine the fan with the ceiling lamp, and solves the problems of space and beautiful appearance.
The technical scheme adopted by the invention is as follows:
The invisible fan comprises a driving motor 1, the driving motor 1 comprises a fixed shaft 11 and an outer rotor 12 arranged outside the fixed shaft 11, the invisible fan further comprises a driving gear 2, the driving gear 2 is fixedly connected with the outer rotor 12, the rotation axis of the driving gear 2 is coincident with the rotation axis of the outer rotor 12, the invisible fan further comprises a rotating disc 3 capable of freely rotating around the fixed shaft 11, at least two fan blade assemblies 4 are pivoted on the rotating disc 3 at positions deviating from the rotation axis of the rotating disc 3, the fan blade assemblies 4 comprise fan blades 41 and fan blade gears 42, the fan blade gears 42 are fixedly connected with fan blades 41 which rotate along with the rotation of the fan blade assemblies, the driving gear 2 is meshed with the fan blade gears 42 and drives the fan blade gears 42 to rotate so as to enable the fan blades 41 to be unfolded or folded relative to the rotating disc 3, a clamping mechanism which enables the rotating disc 3 to be unfolded relatively and then rotated synchronously after the driving gear 2 is staggered relatively when the driving gear 2 rotates along with the rotation of the outer rotor 12 is arranged between the driving gear 2 and the rotating disc 3, and a reset spring which enables the fan blade 41 to be unfolded relatively to rotate relatively to the rotating disc 3 relatively when the driving gear 2 is arranged between the driving gear 2 and the rotating disc 3.
The fixed shaft 11 comprises a first fixed shaft 111 extending above the outer rotor 12 and a second fixed shaft 112 extending below the outer rotor 12, the driving gear 2 is located below the outer rotor 12, a mounting gap for mounting the rotating disc 3 is arranged between the outer rotor 12 and the driving gear 2, and the rotating disc 3 occupies the mounting gap and is pivoted on the second fixed shaft 112.
The rotating disc 3 is provided with mounting holes 36 uniformly distributed in the circumferential direction, a shaft sleeve 6 is fixedly assembled in the mounting holes, a fan blade gear shaft 421 matched with the shaft sleeve 6 is arranged on the fan blade gear 42, the fan blade gear shaft 421 is assembled in the shaft sleeve 6 from bottom to top, the fan blades 41 and the fan blade gear 42 are fixedly connected through bolts or screws, and the fan blades 41 are positioned above the rotating disc 3.
The clamping mechanism comprises a clamping groove 31 arranged on the rotating disc 3, and a limiting column 21 arranged on the driving gear 2 and used for limiting the driving gear 2 to rotate at a maximum angle relative to the rotating disc 3 when moving in the clamping groove 31.
The upper limit post 21 of the driving gear 2 is internally provided with a vertical through hole 210, the outer rotor 12 is provided with a threaded hole, the through hole 210 is provided with a screw or a bolt in a penetrating way from bottom to top, and the screw or the bolt is matched with the threaded hole of the outer rotor 12 and fixedly connects the driving gear 2 to the outer rotor 12.
The invisible fan also comprises a lamp panel 7 fixedly connected with the lower end of the fixed shaft 11 and positioned below the outer rotor 12, the rotating disc 3 and the driving gear 2, and a lamp shade 8 is arranged outside the lamp panel 7.
The rotating disc 3 or the driving gear 2 is also provided with a first annular groove 32 coaxial with the fixed shaft, the first annular groove 32 is internally provided with a ball 33, and the ball 33 is in point contact with the rotating disc 3 and the driving gear 2.
The fan blade gear 42 or the rotating disc 3 is provided with a second annular groove 34 coaxial with the fan blade gear 42, the second annular groove is internally provided with a ball 33, and the ball 33 is in point contact with the rotating disc 3 and the fan blade gear 42.
The end face of the rotating disc 3 is annularly and uniformly provided with a raised strip-shaped spring buckle 35, the end face of the driving gear 2 is annularly and uniformly provided with a raised L-shaped spring hook 22, the hook-shaped end of the reset spring 5 is connected with the strip-shaped spring buckle 35, and the annular end of the reset spring 5 is connected with the L-shaped spring hook 22.
Compared with the prior art, the invention has the advantages that:
1. The utility model provides a stealthy fan, stealthy fan includes driving motor, rotor, driving gear, reset spring, flabellum subassembly, wherein flabellum subassembly is including flabellum and flabellum gear, thereby driving gear and flabellum gear meshing and driving flabellum gear rotate and make flabellum expansion or drawing in relative rolling disc, thereby the screens mechanism that stealthy fan was equipped with makes rolling disc and driving gear stagger angle earlier relatively then rotate in step and thereby make flabellum expansion earlier and then relative rolling disc position fixing relatively. The outer rotor of the driving motor is utilized to drive the gear, so that the fan blade gear meshed with the driving gear is driven to rotate, the fan blade is unfolded, and the problem that the fan blade cannot be unfolded due to insufficient centrifugal force provided when the rotating speed of the fan is low can be avoided.
2. A reset spring which pulls the rotating disc to rotate and reset relative to the driving gear when the driving gear stops rotating so as to enable the fan blades to be folded relative to the rotating disc is further arranged between the driving gear and the rotating disc. Preferably, the fan blades are in the vertical projection range of the rotating disc after being folded. The invention combines the fan and the lamp, not only solves the problems of space and beautiful appearance, but also can meet the various demands of users in life.
3. As a further improvement of the invention, the fixed shaft comprises a first fixed shaft extending above the outer rotor and a second fixed shaft extending below the outer rotor, the driving gear is positioned below the outer rotor, a mounting gap for mounting a rotating disc is arranged between the outer rotor and the driving gear, and the rotating disc occupies the mounting gap and is pivoted on the second fixed shaft. The rotating disc is positioned between the driving gear and the outer rotor, and the outer rotor is fixedly connected with the driving gear, so that the rotating disc is clamped between the driving gear and the outer rotor and is stable and cannot deviate from the outer rotor, the safety is realized, and meanwhile, the design is beneficial to simplifying the structural design and reducing the assembly difficulty.
4. As a further improvement of the invention, the clamping mechanism comprises a clamping groove arranged on the rotating disc, and a limiting column arranged on the driving gear and used for limiting the rotating disc to rotate relative to the driving gear by the maximum angle, wherein the limiting column moves in the clamping groove and is arranged on the driving gear. The upper limit post of the driving gear is internally provided with a vertical through hole, the outer rotor is provided with a threaded hole, the through hole is penetrated with a screw or a bolt from bottom to top, the screw or the bolt is matched with the threaded hole of the outer rotor, the driving gear is fixedly connected with the outer rotor, and the fan blades 41 are positioned above the rotating disc 3. The limiting column on the driving gear is used for limiting the maximum rotation angle of the rotating disc relative to the driving gear, the limiting column and the limiting groove collide, the limiting column is likely to deform or even break off after repeated collision, so that the invention can not work, the expansion angle of the fan blade relative to the rotating disc is limited due to the clamping mechanism, if the clamping mechanism fails, the fan blade can strike other parts, fragments fly out after the fan blade breaks, and serious safety problems are caused. When the bolt or the screw is penetrated in the middle of the limit post, the driving gear is fixedly assembled with the outer rotor through the bolt or the screw, so that the strength of the limit post can be greatly enhanced, the accident can not happen, and meanwhile, the design structure is simple and compact, and the assembly is easy.
[ Description of the drawings ]
FIG. 1 is a schematic view of a fan blade according to the present invention
FIG. 2 is a schematic view of the fan blade of the present invention when it is unfolded
FIG. 3A top view of the present invention
FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3 of the present invention
FIG. 5 is an exploded view of the present invention
FIG. 6 is a schematic diagram of the structure of the drive motor and the rotating disk of the present invention
FIG. 7 is a schematic view of the structure of the driving gear of the present invention
FIG. 8 is a diagram of the meshing of the drive gear and the blade gear of the present invention
FIG. 9 spring mounting view of the present invention
[ Detailed description ] of the invention
The invention will be further described with reference to fig. 1 to 9.
A concealed fan, characterized in that: the invisible fan comprises a driving motor 1, the driving motor 1 comprises a fixed shaft 11 and an outer rotor 12 arranged outside the fixed shaft 11, the invisible fan further comprises a driving gear 2, the driving gear 2 is fixedly connected with the outer rotor 12, the rotation axis of the driving gear 2 is coincident with the rotation axis of the outer rotor 12, the invisible fan further comprises a rotating disc 3 capable of freely rotating around the fixed shaft 11, at least two fan blade assemblies 4 are pivoted on the rotating disc 3 at positions deviating from the rotation axis of the rotating disc 3, the fan blade assemblies 4 comprise fan blades 41 and fan blade gears 42, the fan blade gears 42 are fixedly connected with fan blades 41 which rotate along with the rotation of the fan blade assemblies, the driving gear 2 is meshed with the fan blade gears 42 and drives the fan blade gears 42 to rotate so as to enable the fan blades 41 to be unfolded or folded relative to the rotating disc 3, a clamping mechanism which enables the rotating disc 3 to be unfolded relatively and then rotated synchronously after the driving gear 2 is staggered relatively when the driving gear 2 rotates along with the rotation of the outer rotor 12 is arranged between the driving gear 2 and the rotating disc 3, and a reset spring which enables the fan blade 41 to be unfolded relatively to rotate relatively to the rotating disc 3 relatively when the driving gear 2 is arranged between the driving gear 2 and the rotating disc 3. Preferably, the fan blades 41 are arranged to be in the vertical projection range of the rotating disc 3 after being folded. When the outer rotor 12 of the driving motor 1 rotates, the driving gear 2 fixedly connected with the driving gear is driven to rotate around the fixed shaft 11, so that the fan blade gear 42 on the fan blade assembly 4 meshed with the driving gear 2 also rotates along with the driving gear, so that the fan blades fixed on the fan blade gear 42 are unfolded simultaneously, when the outer rotor 12 drives the driving gear 2 to rotate to a certain angle relative to the rotating disc, the clamping mechanism enables the rotating disc 3 to rotate from rotatable to relatively fixed relative to the driving gear 2, at the moment, the rotating disc 3 also rotates along with the driving gear, at the moment, the fan blades cannot be unfolded any more because the rotating disc and the driving gear are relatively fixed, the position of the fan blades relative to the rotating disc is fixed, and the invisible fan enters a normal working state;
When the outer rotor 12 of the driving motor 1 stops running, the driving gear fixedly connected with the outer rotor 12 also stops rotating, the reset spring 5 pulls the rotating disc 3 back to the initial position relative to the driving gear under the action of elastic force, and in the process that the rotating disc is reset relative to the driving gear, the fan blade gear rotates and resets under the action of the driving gear, so that the fan blades are folded relative to the rotating disc, and the invisible fan enters a stop working state. The fan blades are preferably fully folded in the vertical projection range of the rotating disc, so that a user cannot see that the fan blades extend out of the rotating disc, and the fan blade rotating disc is attractive.
Preferably, the invention is provided with four fan blade assemblies 4, so that the invisible fan can rotate and air out more stably.
The fixed shaft 11 comprises a first fixed shaft 111 extending above the outer rotor 12 and a second fixed shaft 112 extending below the outer rotor 12, the driving gear 2 is located below the outer rotor 12, a mounting gap for mounting the rotating disc 3 is arranged between the outer rotor 12 and the driving gear 2, and the rotating disc 3 occupies the mounting gap and is pivoted on the second fixed shaft 112. In order to facilitate the installation of the invisible fan by a user, a hanging hole for facilitating the installation of the invisible fan on a wall may be provided on the first fixing shaft 111; an installation gap is reserved between the outer rotor 12 and the driving gear 2, the rotating disc 3 is easy to assemble, and the rotating disc 3 is more stable and is not easy to fall off due to the structural design.
The rotating disc 3 is provided with mounting holes 36 uniformly distributed in the circumferential direction, a shaft sleeve 6 is fixedly assembled in the mounting holes, a fan blade gear shaft 421 matched with the shaft sleeve 6 is arranged on the fan blade gear 42, the fan blade gear shaft 421 is assembled in the shaft sleeve 6 from bottom to top, the fan blades 41 and the fan blade gear 42 are fixedly connected through bolts or screws, and the fan blades 41 are positioned above the rotating disc 3. The fan blades are preferably arranged above the rotating disc 3, so that the fan blades can be conveniently folded, and meanwhile, a consumer cannot see the fan blades when looking up from below, so that the fan blades are attractive. The rotating disk 3 is located between the fan blade 41 and the fan blade gear 42, and is clamped by the fan blade 41 and the fan blade gear 42, so that the assembling is stable.
The clamping mechanism comprises a clamping groove 31 arranged on the rotating disc 3, and a limiting column 21 arranged on the driving gear 2 and used for limiting the driving gear 2 to rotate at a maximum angle relative to the rotating disc 3 when moving in the clamping groove 31. In order to better control the fan blade 41 to be unfolded in a certain angle range, the invention limits the relative rotation angle between the rotating disc 3 and the driving gear 2 by matching the clamping groove 31 and the limiting column 21, thereby controlling the fan blade 41 to be unfolded and folded in a certain angle range relative to the rotating disc 3.
The upper limit post 21 of the driving gear 2 is internally provided with a vertical through hole 210, the outer rotor 12 is provided with a threaded hole, the through hole 210 is provided with a screw or a bolt in a penetrating way from bottom to top, and the screw or the bolt is matched with the threaded hole of the outer rotor 12 and fixedly connects the driving gear 2 to the outer rotor. Further preferably, the outer rotor 12 is fixedly connected with the driving gear through the cooperation fixing mode of the threaded holes and the screws. The screw and the bolt penetrate through the limit column to play a role in enhancing the strength of the limit column, and even if the limit column is broken, the clamping mechanism can still work due to the existence of the screw and the bolt, so that the safety device has the advantage of safety.
The invisible fan also comprises a lamp panel 7 fixedly connected with the lower end of the fixed shaft 11 and positioned below the outer rotor 12, the rotating disc 3 and the driving gear 2, and a lamp shade 8 is arranged outside the lamp panel 7. In order to diversify the functions of the product, the invisible fan is combined with the lamp, so that the indoor cooling function is realized, and the indoor lighting function is also realized.
The rotating disc 3 or the driving gear 2 is also provided with a first annular groove 32 coaxial with the fixed shaft, the first annular groove 32 is internally provided with a ball 33, and the ball 33 is in point contact with the rotating disc 3 and the driving gear 2.
The fan blade gear 42 or the rotating disc 3 is provided with a second annular groove 34 coaxial with the fan blade gear 42, the second annular groove is internally provided with a ball 33, and the ball 33 is in point contact with the rotating disc 3 and the fan blade gear 42. The design ensures that the relative rotation between the rotating disc 3 and the driving gear 2 and between the rotating disc 3 and the fan blade gear 42 is smoother, reduces relative friction force and prolongs the service life of the product.
The end face of the rotating disc 3 is annularly and uniformly provided with a raised strip-shaped spring buckle 35, the end face of the driving gear 2 is annularly and uniformly provided with a raised L-shaped spring hook 22, the hook-shaped end of the reset spring 5 is connected with the strip-shaped spring buckle 35, and the annular end of the reset spring 5 is connected with the L-shaped spring hook 22. In order to facilitate the installation of the spring, the annular end of the return spring 5 is connected with the L-shaped spring hook 22, and then the hook-shaped end of the return spring 5 is connected with the strip-shaped spring buckle 35.
Claims (9)
1. A concealed fan, characterized in that: the invisible fan comprises a driving motor (1), the driving motor (1) comprises a fixed shaft (11) and an outer rotor (12) arranged outside the fixed shaft (11), the invisible fan further comprises a driving gear (2), the driving gear (2) is fixedly connected with the outer rotor (12), the rotation axis of the driving gear (2) is coincident with the rotation axis of the outer rotor (12), the invisible fan further comprises a rotating disc (3) capable of freely rotating around the fixed shaft (11), at least two fan blade assemblies (4) are pivoted on the rotating disc (3) at positions deviating from the rotation axis, each fan blade assembly (4) comprises a fan blade (41) and a fan blade gear (42), the fan blade gear (42) is fixedly connected with the fan blade (41) which rotates along with the rotation of the fan blade assembly, the driving gear (2) is meshed with the fan blade gear (42) and drives the fan blade gear (42) to rotate so that the fan blade (41) is unfolded or folded relative to the rotating disc (3), be provided with between drive gear (2) and rolling disc (3) and make rolling disc (3) and drive gear (2) stagger the angle earlier relatively and then rotate in step when drive gear (2) rotates along with external rotor (12) and thereby make flabellum (41) expand earlier than rolling disc (3) fixed screens mechanism in relative rolling disc (3) position, still be provided with between drive gear (2) and rolling disc (3) and stimulate rolling disc (3) and rotate reset and make flabellum (41) draw in with rolling disc (3) relatively when drive gear (2) stop rotating reset spring (5) of driving gear (2) rotation.
2. A stealth fan as claimed in claim 1, wherein: the fixed shaft (11) comprises a first fixed shaft (111) extending above the outer rotor (12) and a second fixed shaft (112) extending below the outer rotor (12), the driving gear (2) is located below the outer rotor (12), an installation gap for installing the rotating disc (3) is arranged between the outer rotor (12) and the driving gear (2), and the rotating disc (3) occupies the installation gap and is pivoted on the second fixed shaft (112).
3. A stealth fan as claimed in claim 2, wherein: the fan blade gear is characterized in that mounting holes (36) are uniformly distributed in the circumferential direction on the rotating disc (3), a shaft sleeve (6) is fixedly assembled in the mounting holes, a fan blade gear shaft (421) matched with the shaft sleeve (6) is arranged on the fan blade gear (42), the fan blade gear shaft (421) is assembled in the shaft sleeve (6) from bottom to top, and the fan blade (41) and the fan blade gear (42) are fixedly connected through bolts or screws, and the fan blade (41) is located above the rotating disc (3).
4. A stealth fan according to claim 1, 2 or 3, wherein: the clamping mechanism comprises a clamping groove (31) arranged on the rotating disc (3), and a limiting column (21) arranged on the driving gear (2) and used for limiting the driving gear (2) to rotate at the maximum angle relative to the rotating disc (3) when moving in the clamping groove (31).
5. The invisible fan according to claim 4, wherein: the driving gear (2) is characterized in that a vertical through hole (210) is formed in an upper limit column (21) of the driving gear (2), a threaded hole is formed in the outer rotor (12), a screw or a bolt penetrates through the through hole (210) from bottom to top, and the screw or the bolt is matched with the threaded hole of the outer rotor (12) and fixedly connects the driving gear (2) to the outer rotor (12).
6. A stealth fan as claimed in claim 1, wherein: the invisible fan also comprises a lamp panel (7) fixedly connected with the lower end of the fixed shaft (11) and positioned below the outer rotor (12), the rotating disc (3) and the driving gear (2), and a lampshade (8) is arranged outside the lamp panel (7).
7. A stealth fan as claimed in claim 1, wherein: the rotary disc (3) or the driving gear (2) is also provided with a first annular groove (32) coaxial with the fixed shaft, a ball (33) is arranged in the first annular groove (32), and the ball (33) is in point contact with the rotary disc (3) and the driving gear (2).
8. A stealth fan as claimed in claim 1, wherein: the fan blade gear (42) or the rotating disc (3) is provided with a second annular groove (34) coaxial with the fan blade gear (42), a ball (33) is arranged in the second annular groove, and the ball (33) is in point contact with the rotating disc (3) and the fan blade gear (42).
9. A stealth fan as claimed in claim 1, wherein: the end face of the rotating disc (3) is annularly and uniformly provided with a raised strip-shaped spring buckle (35), the end face of the driving gear (2) is annularly and uniformly provided with a raised L-shaped spring hook (22), the hook-shaped end of the return spring (5) is connected with the strip-shaped spring buckle (35), and the annular end of the return spring (5) is connected with the L-shaped spring hook (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419317.9A CN108150439B (en) | 2017-12-25 | 2017-12-25 | Invisible fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419317.9A CN108150439B (en) | 2017-12-25 | 2017-12-25 | Invisible fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108150439A CN108150439A (en) | 2018-06-12 |
| CN108150439B true CN108150439B (en) | 2024-05-17 |
Family
ID=62465767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711419317.9A Active CN108150439B (en) | 2017-12-25 | 2017-12-25 | Invisible fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150439B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882778A (en) * | 2019-04-02 | 2019-06-14 | 中国海洋大学 | A kind of internet type recorded broadcast room illumination lifting device |
| CN110397610A (en) * | 2019-08-28 | 2019-11-01 | 中山市聚达电器科技有限公司 | A kind of New Type of Fan |
| CN212672083U (en) * | 2020-06-18 | 2021-03-09 | 广东顺德永怡御风电器灯饰有限公司 | Opening and closing structure of fan lamp |
| CN112545097B (en) * | 2020-12-15 | 2023-09-15 | 海南电网有限责任公司白沙供电局 | Safety helmet with cooling and heat dissipation device |
| CN113017766B (en) * | 2021-02-01 | 2022-06-10 | 深圳市益心达医学新技术有限公司 | Defecation device |
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| CN108150439A (en) | 2018-06-12 |
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