CN212130884U - Sweep wind subassembly and bladeless fan - Google Patents
Sweep wind subassembly and bladeless fan Download PDFInfo
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- CN212130884U CN212130884U CN202020562030.2U CN202020562030U CN212130884U CN 212130884 U CN212130884 U CN 212130884U CN 202020562030 U CN202020562030 U CN 202020562030U CN 212130884 U CN212130884 U CN 212130884U
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- 238000010408 sweeping Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 abstract description 5
- 238000005034 decoration Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A wind sweeping assembly and a bladeless fan are provided, wherein the wind sweeping assembly is arranged in a wind channel of the bladeless fan, the wind channel is communicated with a wind outlet and comprises movable fins positioned on one side of the wind outlet, and the movable fins are rotatably connected with the wind channel through a main shaft; the movable wing pieces are driven by the driving component synchronously to swing up and down so as to adjust the swing angle of the movable wing pieces, and air is discharged from the air outlet after the wind direction is changed by the movable wing pieces. Bladeless fan, sweep the wind subassembly through addding, realize sweeping the wind function, enlarge the scope of blowing.
Description
Technical Field
The utility model belongs to sweep the wind field from top to bottom, especially, relate to a sweep wind subassembly and bladeless fan.
Background
The bladeless fan on the existing market is mainly fixed in wind sweeping angle from top to bottom, the blowing range is limited, or the angle of the fan body needs to be adjusted manually, so that the angle of pitching adjustment is changed, but the wind blown out of the bladeless fan is also only in one angle direction, the bladeless fan cannot sweep wind uniformly, the angle of the wind direction is changed, the product is enabled to blow a certain position of a user directly for a long time, and the experience of the user is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sweep wind subassembly and bladeless fan can realize the automation of bladeless fan and sweep the wind from top to bottom, enlarges the scope of blowing, improves user's comfort level. In order to achieve the above object, the utility model discloses a sweep wind subassembly's concrete technical scheme as follows:
a wind sweeping assembly is arranged in a wind channel of a bladeless fan, the wind channel is communicated with a wind outlet and comprises movable fins positioned on one side of the wind outlet, and the movable fins are rotatably connected with the wind channel through a main shaft; the movable wing piece is driven by the driving component to swing up and down so as to adjust the swing angle of the movable wing piece; the air is discharged from the air outlet after the wind direction is changed by the movable wing pieces.
Furthermore, the wind sweeping assembly comprises connecting rods, the two connecting rods are respectively and vertically arranged in the two air channels, and the movable wing pieces are respectively hinged with the connecting rods in the same air channel through connecting shafts; the movable fins in the same air duct are rotated by the connecting rods driven to move up and down along an arc line.
Furthermore, one side of the connecting rod is provided with notches which are in one-to-one correspondence with the movable fins, the tail ends of the notches are provided with clamping holes, and the connecting shafts parallel to the main shaft are clamped into the clamping holes from the notches.
Further, the drive assembly includes a crank; the crank comprises a rotating shaft, an eccentric part is formed at one end of the rotating shaft, the eccentric part is radially arranged along the rotating shaft, the tail end of the eccentric part is hinged to the connecting rod, the length of the eccentric part is consistent with the distance between the main shaft and the connecting shaft, and the eccentric part and the movable wing piece are parallel all the time.
Furthermore, the driving assembly further comprises a gear set and a driver, and the driver drives the rotating shaft to rotate through the gear set.
Further, the driver is a stepping motor, the gear set comprises a driving gear and a transmission gear which are meshed with each other, the driving gear is installed on an output shaft of the stepping motor, and the transmission gear is installed on the rotating shaft.
The utility model also provides a bladeless fan, concrete scheme is as follows:
the bladeless fan comprises a shell, wherein the lower end of the shell is a base part, a fan is arranged in the base part, a machine head part is arranged on the base part of the shell, air channels are formed in the machine head part, the lower ends of the two air channels are respectively communicated with an inner cavity of the base part, air outlets communicated with the air channels are formed in the side walls of the machine head part, and the air sweeping assembly is arranged in the air channels.
Furthermore, the number of the driving assemblies is two, the driving assemblies are respectively arranged at the top ends of the two machine head parts, and the driving assemblies drive the movable fins in the same air duct to rotate.
Further, the casing includes shell and wind channel shell, and the wind channel shell sets up respectively in the shell, sweeps the wind subassembly and sets up in the wind channel shell.
Furthermore, the air duct shell comprises a rear half shell and a front half shell which are spliced with each other, and the rear half shell and the front half shell are detachably and fixedly connected; the front half shell is provided with symmetrically arranged bayonets on the splicing surface, and two ends of a main shaft of the movable wing piece are respectively inserted into the corresponding bayonets; and the rear half shell is provided with a convex block inserted into the bayonet, and the tail end of the convex block is provided with a gap, so that two ends of the main shaft of the movable wing piece are respectively sleeved in a round hole formed by the side wall of the gap and the side wall of the bayonet.
The utility model discloses a sweep wind subassembly and bladeless fan has following advantage:
1. by additionally arranging the up-down automatic air sweeping structure, the air sweeping angle can be automatically adjusted according to the use habits of users, such as automatically sweeping the air at 30 degrees up and down, 40 degrees up and down, 50 degrees up and down and the like; the user comfort is improved.
2. The automatic air sweeping structure is arranged inside the shell, so that the dust accumulation phenomenon caused by long-time placement is avoided, the overall attractiveness of the appearance is not damaged, and the concise appearance effect of the product is kept.
3. Compared with a simple crank connecting rod mechanism, the gear transmission is increased, so that a larger transmission ratio can be obtained by utilizing the gear transmission, larger torque is provided, the same output torque can be obtained by utilizing a low-power motor, and therefore the cost is saved and the running noise of a product is reduced.
4. The mode of gear drive and crank link mechanism can ensure that the inside airtight space that belongs to in wind channel, can not have the phenomenon of leaking out, and ensures that the inside cavity air inlet space in wind channel is enough, can not put too much drive mechanism part, and too much occupies wind channel inner space, can more effectual noise reduction and reduction air loss.
Drawings
Fig. 1 is an exploded view of a bladeless fan according to the present invention;
fig. 2 is a cross-sectional view of a bladeless fan according to the present invention;
fig. 3 is a schematic view of the connecting rod structure of the present invention;
FIG. 4 is a schematic view of the movable wing of the present invention;
fig. 5 is a schematic view of the crank structure according to the present invention;
fig. 6 is a schematic view of the structure of the protruding block and the bayonet of the present invention.
The notation in the figure is:
1. an interior trim piece; 11. a screw post; 2. an exterior trim; 3. a movable wing panel; 31. a connecting shaft; 32. A main shaft; 4. a connecting rod; 41. a notch; 42. a clamping hole; 43. snapping; 5. a crank; 51. a rotating shaft; 52. An eccentric portion; 53. positioning the projection; 6. a driving gear; 7. a transmission gear; 8. a stepping motor; 9. an air duct shell; 91. a rear half shell; 911. a raised block; 92. a front half shell; 921. and (4) a bayonet.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description of the wind sweeping assembly and the fan according to the present invention is made in detail with reference to the accompanying drawings.
As shown in fig. 1, the bladeless fan of the present invention includes a housing, the housing includes an inner decoration 1 and an outer decoration 2, the outer decoration 2 and the inner decoration 1 can be completely fixed by means of a seam allowance, a buckle, a screw, etc. to complete the assembly. The lower end of the shell is a base part, a fan is arranged in the base part, the shell is provided with machine head parts on the base part, air channels are formed in the two machine head parts, the lower ends of the two air channels are respectively communicated with the inner cavity of the base part, and the upper ends of the two air channels are communicated with each other through a transverse pipe; air outlets communicated with the air duct are formed on the side walls of the two machine head parts. Therefore, through the rotation of the fan, the air flow is discharged from the air outlet through the air duct, and the air blowing is realized.
As shown in fig. 2, in order to realize the function of blowing air upward and downward of the bladeless fan, the air duct is rotatably connected with movable fins 3 at one side of the air outlet, the movable fins 3 arranged layer by layer are driven to swing upward and downward to adjust the swing angle, and air is discharged from the air outlet after the air direction is changed by the movable fins 3. Thereby realizing the wind sweeping.
In order to synchronously drive a plurality of layers of movable fins 3 in the nose part, a vertically arranged connecting rod 4 is also arranged in each air channel. As shown in fig. 3, one side of the connecting rod 4 is provided with notches 41 corresponding to the movable wing pieces 3 one to one, and the tail end of the notch 41 is provided with a clamping hole 42. As shown in fig. 4, one end of the movable wing 3 close to the air outlet is a free end, one end of the movable wing 3 far from the air outlet is formed with a connecting shaft 31, and a main shaft 32 parallel to the connecting shaft 31 is formed in the middle of the movable wing 3. The movable wing 3 is rotatably connected with the wall surface of the air duct through a main shaft 32. And the movable wing pieces 3 are clamped into the clamping holes 42 from the notches 41 through the connecting shafts 31, so that the movable wing pieces 3 are respectively hinged with the connecting rods 4 through the connecting shafts 31. Therefore, the connecting rod 4 moves up and down along an arc line, and the movable fins 3 in the same air channel are rotated to realize angle adjustment.
The shell is respectively provided with a driving assembly at the top ends of the two machine head parts so as to prevent the driving assembly from obstructing the air circulation of the air duct. The drive assembly comprises a crank 5, a gear set and a stepper motor 8. As shown in fig. 5, the crank 5 includes a rotating shaft 51, and the rotating shaft 51 has an eccentric portion 52 and a positioning protrusion 53 at both ends thereof. Wherein, the eccentric part 52 is arranged along the radial direction of the rotating shaft 51, the tail end of the eccentric part 52 is provided with a connecting hole, the upper end of the connecting rod 4 is provided with a spring buckle 43, the spring buckle 43 is inserted into the connecting hole, and thus the upper end of the connecting rod 4 is hinged with the eccentric part 52. The length of the eccentric portion 52 is consistent with the distance between the main shaft 32 and the connecting shaft 31, and the eccentric portion 52 and the movable wing piece 3 are always parallel. Therefore, the crank 5 and the connecting rod 4 form a crank connecting rod mechanism through the stepping motor 8 and the gear set swinging rotating shaft 51, and the movable wing piece 3 is driven to swing up and down to realize wind sweeping. The gear set comprises a driving gear 6 and a transmission gear 7, the transmission gear 7 is sleeved on the positioning bulge 53, the positioning bulge 53 is in threaded connection with a screw with a gasket, and the gasket compresses the end face of the transmission gear 7 so as to fix the transmission gear 7. An output shaft of the stepping motor 8 serving as a driver is inserted into a positioning groove of the driving gear 6, and the driven gear is meshed with the transmission gear 7, so that the stepping motor 8 and the crank 5 are linked.
As shown in fig. 1 and 6, in order to facilitate the installation of the movable fin 3, the housing further includes an air duct case 9 for installing the movable fin 3. The air duct shell 9 is sleeved and clamped in the inner decoration 1 and the outer decoration 2 which are used as shells, and the air duct shell 9 is respectively connected on the screw columns 11 at two sides of the inner decoration 1 through screws to complete the fixation. The air duct shell 9 comprises a rear half shell 91 and a front half shell 92, wherein the rear half shell 91 and the front half shell 92 which are mutually spliced are formed with seam allowance structures on a splicing surface, are respectively provided with a buckle and a clamping groove for fixing, and are finally fixed through screws. The front half-shell 92 is provided with symmetrically arranged bayonets 921 on the splicing surface, and two ends of the main shaft 32 of the movable wing piece 3 are respectively inserted into the corresponding bayonets 921; the rear half shell 91 is formed with a protrusion block 911 inserted into the bayonet 921, and the end of the protrusion block 911 is formed with a gap 41, so that the two ends of the main shaft 32 of the movable vane 3 are respectively sleeved in the circular holes surrounded by the side walls of the gap 41 and the bayonet 921.
Like this through add a wind subassembly of sweeping in the wind channel, realize the drive of automatic wind of sweeping through the mode of crank link mechanism, can be according to user's demand, according to the rated step number that preset program drive step motor 8 rotated the correspondence to make movable fin 3 swing the angle that corresponds, can have multiple angle modulation, for example upper and lower respectively 30 angle sweep wind, upper and lower respectively 40 angle sweep wind, upper and lower respectively 50 angle such as angle, improve user experience.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (10)
1. A wind sweeping assembly is arranged in a wind channel of a bladeless fan, and the wind channel is communicated with a wind outlet, and is characterized by comprising movable fins (3) positioned on one side of the wind outlet, wherein the movable fins (3) are rotatably connected with the wind channel through a main shaft (32); the movable wing piece (3) is driven by the driving component to swing up and down so as to adjust the swing angle of the movable wing piece (3); the air is discharged from the air outlet after the wind direction is changed by the movable wing pieces (3).
2. The wind sweeping assembly according to claim 1, wherein the wind sweeping assembly comprises a connecting rod (4), the connecting rod (4) is vertically arranged in the wind channel, and the movable fins (3) are respectively hinged with the connecting rod (4) in the same wind channel through a connecting shaft (31); the connecting rod (4) is driven to move up and down along an arc line to rotate the movable fins (3) in the same air channel.
3. The wind sweeping assembly according to claim 2, wherein notches (41) corresponding to the movable fins (3) in a one-to-one mode are formed in one side of the connecting rod (4), clamping holes (42) are formed in the tail ends of the notches (41), and the connecting shaft (31) parallel to the main shaft (32) is clamped into the clamping holes (42) from the notches (41).
4. A wind sweeping assembly according to claim 2, wherein the drive assembly comprises a crank (5); the crank (5) comprises a rotating shaft (51), an eccentric part (52) is formed at one end of the rotating shaft (51), the eccentric part (52) is radially arranged along the rotating shaft (51), the tail end of the eccentric part is hinged to the connecting rod (4), the length of the eccentric part (52) is consistent with the distance between the main shaft (32) and the connecting shaft (31), and the eccentric part (52) and the movable wing piece (3) are always parallel.
5. A wind sweeping assembly according to claim 4, wherein the drive assembly further comprises a gear set and a driver for driving the shaft (51) to rotate via the gear set.
6. A wind sweeping assembly according to claim 5, wherein the driver is a stepper motor (8), the gear set comprises a driving gear (6) and a transmission gear (7) which are meshed with each other, the driving gear (6) is mounted on an output shaft of the stepper motor (8), and the transmission gear (7) is mounted on the rotating shaft (51).
7. A bladeless fan comprises a shell, wherein the lower end of the shell is a base part, a fan is arranged in the base part, a machine head part is arranged on the base part of the shell, air channels are formed in the machine head part, the lower ends of the two air channels are respectively communicated with an inner cavity of the base part, and air outlets communicated with the air channels are formed in the side walls of the machine head part, and the bladeless fan is characterized in that the air channels are internally provided with air sweeping assemblies according to any one of claims 1 to 6.
8. The bladeless fan according to claim 7, wherein the driving assemblies are two in number and are respectively arranged at the top ends of the two machine head portions, and the driving assemblies drive the movable fins (3) in the same air channel to rotate.
9. The bladeless fan according to claim 8, wherein the housing comprises an outer casing and an air duct casing (9), the air duct casing (9) is respectively disposed in the outer casing, and the air sweeping assembly is disposed in the air duct casing (9).
10. The bladeless fan according to claim 9, wherein the duct casing (9) comprises a rear half-casing (91) and a front half-casing (92) which are spliced with each other, the rear half-casing (91) and the front half-casing (92) being detachably and fixedly connected; the front half shell (92) is provided with symmetrically arranged bayonets (921) on the splicing surface, and two ends of the main shaft (32) of the movable wing piece (3) are respectively inserted into the corresponding bayonets (921); and the rear half shell (91) is provided with a convex block (911) inserted into the bayonet (921), and the tail end of the convex block (911) is provided with a notch (41), so that two ends of the main shaft (32) of the movable wing piece (3) are respectively sleeved in round holes surrounded by the side walls of the notch (41) and the bayonet (921).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562030.2U CN212130884U (en) | 2020-04-16 | 2020-04-16 | Sweep wind subassembly and bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562030.2U CN212130884U (en) | 2020-04-16 | 2020-04-16 | Sweep wind subassembly and bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212130884U true CN212130884U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020562030.2U Active CN212130884U (en) | 2020-04-16 | 2020-04-16 | Sweep wind subassembly and bladeless fan |
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| Country | Link |
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| CN (1) | CN212130884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208503A1 (en) * | 2020-04-16 | 2021-10-21 | 珠海格力电器股份有限公司 | Air swinging assembly and bladeless fan |
| WO2021208498A1 (en) * | 2020-04-16 | 2021-10-21 | 珠海格力电器股份有限公司 | Vaneless fan nozzle assembly and vaneless fan |
-
2020
- 2020-04-16 CN CN202020562030.2U patent/CN212130884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208503A1 (en) * | 2020-04-16 | 2021-10-21 | 珠海格力电器股份有限公司 | Air swinging assembly and bladeless fan |
| WO2021208498A1 (en) * | 2020-04-16 | 2021-10-21 | 珠海格力电器股份有限公司 | Vaneless fan nozzle assembly and vaneless fan |
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