CN109139530B - Oscillating assembly and tower fan - Google Patents
Oscillating assembly and tower fan Download PDFInfo
- Publication number
- CN109139530B CN109139530B CN201810992874.8A CN201810992874A CN109139530B CN 109139530 B CN109139530 B CN 109139530B CN 201810992874 A CN201810992874 A CN 201810992874A CN 109139530 B CN109139530 B CN 109139530B
- Authority
- CN
- China
- Prior art keywords
- air duct
- assembly
- positioning
- hole
- limit
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 description 9
- 230000002035 prolonged effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a head shaking assembly and a tower fan, wherein the head shaking assembly is used for enabling an air duct assembly of the tower fan to rotate relative to a shell of the tower fan, the head shaking assembly comprises a driving device and a limiting structure, the driving device is used for driving the air duct assembly to rotate relative to the shell, and the limiting structure is used for limiting the rotation range of the air duct assembly. This subassembly of shaking head makes wind channel subassembly rotate according to predetermined track and angle strictly through setting up limit structure, reduces the collision between each part when wind channel subassembly rotates, increase of service life to the error of shaking head is little, promotes user's use experience.
Description
Technical Field
The invention relates to the technical field of air treatment, in particular to a head shaking assembly and a tower fan.
Background
At present, tower fan on the market, its air outlet structure of shaking head is mostly crank rocker mechanism, and it exists "dead point" at the operation in-process, and the operation is unsmooth to it sweeps wind angle fixed, and the air outlet exposes to influence outward appearance and easy dust accumulation in the outward appearance, and traditional tower fan does not have limit structure that shakes head simultaneously, leads to shaking head error big, influences user experience.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides the head shaking assembly and the tower fan, wherein the head shaking assembly enables the air duct assembly to rotate strictly according to a preset track and an angle by arranging the limiting structure, so that collision among parts during rotation of the air duct assembly is reduced, the service life is prolonged, the head shaking error is small, and the use experience of a user is improved.
In order to achieve the above purpose, on one hand, the present invention adopts the following technical scheme:
the utility model provides an assembly of shaking head for make the wind channel subassembly of tower fan rotate relative tower fan's shell, the assembly of shaking head includes drive arrangement and limit structure, drive arrangement is used for the drive wind channel subassembly is relative the shell rotates, limit structure is configured to be used for limiting the rotation scope of wind channel subassembly.
Preferably, the limiting structure is configured to limit the rotation of the air duct assembly between a first limit position and a second limit position, and the limiting structure includes a mating portion capable of rotating with the air duct assembly and a stop portion fixedly disposed relative to the housing, and the stop portion is configured to stop the mating portion when the air duct assembly is rotated from the first limit position to the second limit position and from the second limit position to the first limit position, so as to prevent the air duct assembly from continuing to rotate.
Preferably, the matching part comprises a limit protrusion, and the stop part comprises a limit groove matched with the limit protrusion; or alternatively
The matching part comprises a limit groove, the stop part comprises a limit protrusion matched with the limit groove,
The limiting protrusion moves in the limiting groove to limit the rotation range of the air duct assembly.
Preferably, the limit groove is an arc-shaped groove.
Preferably, the oscillating assembly further comprises a mounting seat, the driving device is arranged on the mounting seat,
The limiting structure is arranged between the mounting seat and the air duct component; or alternatively
The head shaking assembly further comprises a transmission mechanism, the driving device drives the air duct assembly to rotate through the transmission mechanism, and the limiting structure is arranged between the transmission mechanism and the mounting seat.
Preferably, the transmission mechanism comprises a gear transmission mechanism, the gear transmission mechanism comprises a driving gear and a driven gear which are meshed with each other, the driving device is connected with the driving gear, the driven gear is connected with the air duct assembly, the limiting protrusion is arranged on the driven gear, and the limiting groove is arranged on the mounting seat.
Preferably, the driving device comprises a transmission shaft or a transmission hole, the section of the transmission shaft or the transmission hole is a non-circular section, the center of the driving gear is provided with a transmission hole or a transmission shaft matched with the transmission shaft or the transmission hole, and the driving device is matched with the transmission hole to drive the driving gear to rotate.
Preferably, the air duct assembly is fixedly connected with the driven gear through a first fastening structure and/or a first fastener; and/or the number of the groups of groups,
And a first positioning structure is arranged between the air duct assembly and the driven gear and used for positioning between the driven gear and the air duct assembly.
Preferably, a screw column or a screw hole is formed in one end, close to the driven gear, of the air duct assembly, a screw hole or a screw column matched with the screw column or the screw hole is formed in the driven gear, and the air duct assembly and the driven gear are fixedly connected through the screw penetrating through the screw column and the screw hole; and/or the number of the groups of groups,
The first positioning structure comprises a first positioning protrusion or a first positioning hole/groove which is arranged at one end of the air duct component, which is close to the driven gear, and the first positioning structure further comprises a first positioning hole/groove or a first positioning protrusion which is arranged at the driven gear and matched with the first positioning protrusion or the first positioning hole/groove, and the first positioning protrusion is matched with the first positioning hole/groove to realize the installation and positioning of the driven gear and the air duct component.
Preferably, a second positioning structure is arranged between the driving device and the mounting seat and used for positioning between the driving device and the mounting seat.
Preferably, the driving device comprises a second ear plate, the second positioning structure comprises a second positioning protrusion or a second positioning hole/groove arranged on the second ear plate, the second positioning structure further comprises a second positioning hole/groove or a second positioning protrusion arranged on the mounting seat and matched with the second positioning protrusion or the second positioning hole/groove, and the mounting positioning of the driving device and the mounting seat is realized through the matching of the positioning protrusion and the second positioning hole/groove.
Preferably, the oscillating assembly comprises a compressing member fixedly connected with the mounting base so as to compress and fix the driving gear and the driving device on the mounting base.
Preferably, the pressing piece comprises a cover body, and the cover body is covered on the driving gear.
Preferably, a first lug plate is arranged on the cover body, a mounting hole is formed in the first lug plate, a matching hole matched with the mounting hole is formed in the mounting seat, and the cover body is fixedly connected with the mounting seat by penetrating through the mounting hole and the matching hole through a second fastener.
Preferably, the first ear plate is provided with an avoidance groove for avoiding the second positioning protrusion.
On the other hand, the invention adopts the following technical scheme:
a tower fan comprises a shell, an air duct component and a swinging component.
Preferably, a first air outlet is formed in the shell, a second air outlet is formed in the air duct assembly, and when the air duct assembly is located at a second limit position, the first air outlet and the second air outlet are completely staggered.
The invention provides a head shaking assembly and a tower fan, wherein the head shaking assembly enables an air duct assembly to rotate strictly according to a preset track and an angle through the arrangement of a limiting structure, so that collision among parts during rotation of the air duct assembly is reduced, the service life is prolonged, the head shaking error is small, and the use experience of a user is improved.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is an exploded view of a rocker assembly provided by the present invention;
FIG. 2 is a schematic diagram of a head shaking assembly according to the present invention;
FIG. 3 is a schematic view of a mounting base according to the present invention;
Fig. 4 is a schematic structural diagram of a driving gear provided by the present invention;
FIG. 5 is a schematic view of a driven gear according to the present invention;
FIG. 6 is a schematic diagram of a driving device according to the present invention;
FIG. 7 is a schematic view of a compressing member according to the present invention;
FIG. 8 is a schematic view of a part of the air duct assembly according to the present invention;
FIG. 9 is a schematic diagram of a tower fan according to the present invention;
FIG. 10 is a schematic view of another angle of the compression member provided by the present invention;
fig. 11 is a schematic view of another angle structure of the driving gear provided by the invention.
In the drawing the view of the figure,
1. A head shaking assembly; 11. a mounting base; 111. a limit groove; 112. a second positioning protrusion; 113. a mating hole; 114. a columnar structure; 115. a motor slot; 12. a driving device; 121. a stepping motor; 1211. a transmission shaft; 122. a second ear plate; 1221. a second locating hole/slot; 13. a drive gear; 131. a transmission hole; 132. mating holes/slots; 14. a driven gear; 141. a limit protrusion; 142. a first locating hole/slot; 143. screw holes; 144. a cylindrical structure; 15. a limit structure; 151. a mating portion; 152. a stop portion; 16. a pressing member; 161. a cover body; 1611. a first ear plate; 1612. a third positioning protrusion; 1613. a third positioning hole; 2. an air duct assembly; 21. a first positioning protrusion; 22. a screw post; 23. a second air outlet; 3. a housing; 31. and a first air outlet.
Detailed Description
The present invention is described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. Well-known methods, procedures, flows, and components have not been described in detail so as not to obscure the nature of the invention.
Moreover, those of ordinary skill in the art will appreciate that the drawings are provided herein for illustrative purposes and that the drawings are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1,2 and 9, the present application proposes a head shaking assembly 1, which is used for rotating an air duct assembly 2 of a tower fan relative to a housing 3 of the tower fan, the head shaking assembly 1 includes a driving device 12 and a limiting structure 15, the driving device 12 includes a motor, for example, a stepping motor 121 or a servo motor, the driving device 12 is used for driving the air duct assembly 2 to rotate relative to the housing 3, the limiting structure 15 is configured to limit the rotation range of the air duct assembly 2, the head shaking assembly 1 makes the air duct assembly 2 rotate strictly according to a predetermined track and angle by setting the limiting structure 15, the collision between parts when the air duct assembly 2 rotates is reduced, the service life is prolonged, and the head shaking error is small, so that the use experience of a user is improved.
As shown in fig. 1, 2, 3 and 5, specifically, the limiting structure 15 is configured to limit the rotation of the air duct assembly 2 between a first limit position and a second limit position, the limiting structure 15 includes a mating portion 151 capable of rotating with the air duct assembly 2 and a stop portion 152 fixedly disposed relative to the housing 3, and the stop portion 152 is configured to stop the mating portion 151 when the air duct assembly 2 rotates from the first limit position to the second limit position and from the second limit position to the first limit position, so as to prevent the air duct assembly 2 from continuing to rotate, the mating portion 151 includes a limiting protrusion 141, the stop portion 152 includes a limiting groove 111 that cooperates with the limiting protrusion 141, and the limiting protrusion 141 moves in the limiting groove 111 to limit the rotation range of the air duct assembly 2, alternatively, the mating portion 151 includes a limiting groove, and the stop portion 152 includes a limiting protrusion that cooperates with the limiting groove, so as to achieve the effect of limiting the rotation range of the air duct assembly 2. Preferably, the limiting groove 111 is an arc-shaped groove, so that the limiting protrusion 141 can move in the limiting groove 111 more conveniently, the collision or friction of the limiting protrusion 141 to the groove wall of the limiting groove 111 is reduced, and the service life is prolonged.
As shown in fig. 1 and 2, the oscillating head assembly 1 further includes a mounting seat 11, the driving device 12 is mounted on the mounting seat 11, the limiting structure 15 is disposed between the mounting seat 11 and the air duct assembly 2, more preferably, the oscillating head assembly 1 further includes a transmission mechanism, the driving device 12 drives the air duct assembly 2 to rotate through the transmission mechanism, the limiting structure 15 is disposed between the transmission mechanism and the mounting seat 11, specifically, the transmission mechanism includes a gear transmission mechanism, the gear transmission mechanism includes a driving gear 13 and a driven gear 14 which are meshed with each other, the driving device 12 is connected with the driving gear 13, the driven gear 14 is connected with the air duct assembly 2, the limiting protrusion 141 is disposed on the driven gear 14, the circular arc-shaped groove is disposed on the mounting seat 11, the limiting protrusion 141 is configured as a circular column, the end face of the circular arc-shaped groove is an arc-shaped face at a first limit position and a second limit position, the radius of the circular column is approximately equal to the arc-shaped face, the movement of the limiting protrusion 141 in the limiting groove 111 is more convenient, and the movement of the limiting protrusion can be reduced in the first limit position and the second limit position can be further prolonged by the limiting protrusion 141.
As shown in fig. 1, 4 and 6, preferably, the driving device 12 includes a driving shaft 1211, the section of the driving shaft 1211 is a non-circular section, a driving hole 131 matched with the driving shaft 1211 is provided at the center of the driving gear 13, the driving shaft 1211 is inserted into the driving hole 131, the driving device 12 drives the driving gear 13 through the matching of the driving shaft 1211 and the driving hole 131 during operation, the section of the driving shaft 1211 is set to be a non-circular section, so that the connection between the driving shaft 1211 and the driving hole 131 is more reliable, the driving device 12 drives the driving gear 13 more conveniently, the non-circular section can be a kidney-shaped section, a square section or a polygonal section, and it is required to be noted that a driving hole can also be provided on the driving device 12, and the driving shaft 13 is provided on the driving gear 13, so that the effect that the driving device 12 drives the driving gear 13 to move can be achieved.
As shown in fig. 1, 5 and 8, the air duct assembly 2 is fixedly connected with the driven gear 14 through a first fastening structure and/or a first fastening member, and a first positioning structure is arranged between the air duct assembly 2 and the driven gear 14, and is used for positioning between the driven gear 14 and the air duct assembly 2, so that the connection between the driven gear 14 and the air duct assembly 2 is facilitated, the first positioning structure comprises a first positioning protrusion 21 arranged at one end, close to the driven gear 14, of the air duct assembly 2, the first positioning structure further comprises a first positioning hole/groove 142 arranged in the driven gear 14 and matched with the first positioning protrusion 21, the first positioning protrusion 21 is inserted into the first positioning hole/groove 142 to realize the installation positioning of the driven gear 14 and the air duct assembly 2, the connection between the driven gear 14 and the air duct assembly 2 is more convenient, the assembly efficiency is improved, and the first positioning hole/groove is also required to be arranged on the air duct assembly 2, and the first positioning protrusion is also arranged on the driven gear 14. In addition, a screw post 22 is disposed at one end of the air duct assembly 2 near the driven gear 14, a screw hole 143 matched with the screw post 22 is disposed on the driven gear 14, after the driven gear 14 is positioned to be connected with the air duct assembly 2 through the first positioning structure, the air duct assembly 2 and the driven gear 14 are fixedly connected through screws (not shown in the figure) passing through the screw post 22 and the screw hole 143, so as to ensure the reliability and accuracy of the connection between the driven gear 14 and the air duct assembly 2, alternatively, the screw post is disposed on the driven gear 14, and the screw hole is disposed on the air duct assembly 2, so that the fixed connection between the driven gear 14 and the air duct assembly 2 can be ensured.
Preferably, as shown in fig. 1, 3 and 6, a second positioning structure is disposed between the driving device 12 and the mounting seat 11, and is used for positioning between the driving device 12 and the mounting seat 11, where the driving device 12 includes a second ear plate 122, the second positioning structure includes a second positioning hole/groove 1221 disposed on the second ear plate 122, the second positioning structure further includes a second positioning protrusion 112 disposed on the mounting seat 11 and matched with the second positioning hole/groove 1221, and the mounting positioning of the driving device 12 and the mounting seat 11 is implemented by matching the second positioning protrusion 112 with the second positioning hole/groove 1221, so as to ensure the driving device 12 to be correctly connected with the mounting seat 11, and improve the assembly efficiency of the driving device 12 and the mounting seat 11.
In order to further ensure stable installation of the driving gear 13 and the driving device 12, as shown in fig. 1,2, 3 and 7, the oscillating assembly 1 further includes a pressing member 16, where the pressing member 16 is fixedly connected with the mounting seat 11, so as to fix the driving gear 13 and the driving device 12 on the mounting seat 11 in a pressing manner, specifically, the pressing member 16 includes a cover 161, the cover 161 is covered on the driving gear 13, a first ear plate 1611 is provided on the cover 161, a mounting hole is provided on the first ear plate 1611, a fitting hole 113 matched with the mounting hole is provided on the mounting seat 11, a second fastener (not shown in the drawing) passes through the mounting hole and the fitting hole 113, and the second fastener may be a bolt assembly, a rivet or a self-screw, preferably, a mounting post (not shown in the drawing) matched with the mounting hole is provided on the mounting seat 11, the fitting hole 113 is provided on the mounting post, the reliability of the cover 161 is further improved, the reliability of the connection between the cover 161 and the mounting seat is further improved, the reliability of the cover 161 and the mounting seat is further improved, and the reliability of the driving device is further improved, and the mounting device is further connected with the mounting seat 11 and the mounting seat 11 by the mounting plate 161 is further guaranteed by installing the cover 161, and the mounting plate 161 is also being connected with the mounting seat 11 through the mounting hole 11. More preferably, an avoidance groove is formed in the first ear plate 1611 on the cover body 161, and is used for avoiding the second positioning protrusion 112, so that the cover body 161 and the mounting seat 11 are conveniently fastened and connected, and the reliability of connection between the cover body 161 and the mounting seat 11 can be improved to a certain extent due to cooperation of the second positioning protrusion 112 and the avoidance groove.
The third positioning protrusion 1612 is disposed at the middle position on the cover 161 and is located at one side of the cover 161 close to the driving gear 13, in addition, a fitting hole/groove 132 matched with the third positioning protrusion 1612 is disposed at the center position of one side of the driving gear 13 close to the third positioning protrusion 1612, and the cover 161 and the driving gear 13 are primarily connected and positioned by inserting the third positioning protrusion 1612 into the fitting hole/groove 132, so that the driving gear 13 and the cover 161 are more conveniently and fixedly connected with the mounting seat 11, and the third positioning hole 1613 is more preferably disposed at the center position of the opposite side of the cover 161, on which the third positioning protrusion 1612 is disposed, so that whether the cover 1161 is aligned with the driving gear 13 or not is more conveniently observed, and the cover 161 and the driving gear 13 are primarily positioned and connected. In the present application, "v" means "or", and for example, the fitting hole/groove 132 means a fitting hole or a fitting groove.
The application also provides a tower fan, as shown in fig. 1, 2 and 9, comprising a shell 3, an air duct component 2 and the shaking head component 1, wherein a first air outlet 31 is arranged on the shell 3, a second air outlet 23 is arranged on the air duct component 2, and when the air duct component 2 is positioned at a second limit position, the first air outlet 31 and the second air outlet 23 are completely staggered, so that the air outlet of the tower fan is in a closed state, dust is prevented from being stuck to the air outlet of the tower fan, convenience is provided for cleaning and maintaining the subsequent tower fan, and user experience is improved.
In a specific embodiment, as shown in fig. 1-9, the tower fan comprises an air duct assembly 2, a head shaking assembly 1 and a shell 3, the head shaking assembly 1 comprises a driving device 12, a gear transmission mechanism and a mounting seat 11, the gear transmission mechanism comprises a driving gear 13 and a driven gear 14 which are meshed with each other, compared with a traditional crank rocker mechanism, the assembly parts of the gear transmission mechanism are fewer, the assembly efficiency can be greatly improved, and the gear transmission mechanism enables the air duct assembly 2 to rotate continuously and smoothly. The central point of driven gear 14 puts and is provided with tubular structure 144, be provided with on mount pad 11 with this tubular structure 144 matched with column structure 114, the column structure 144 cover is established on column structure 114 for driven gear 14 can rotate relative the axis of this column structure 114, and the cross section of this column structure 114 is the circular preferably, more makes things convenient for driven gear 14's rotation, and, through the cooperation of this tubular structure 144 and column structure 114, more makes things convenient for driven gear 14's location installation, also can improve the reliability of being connected between driven gear 14 and mount pad 11 and the wind path subassembly 2 to a certain extent. The driving device 12 includes a motor, such as a stepping motor 121 or a servo motor, and the mounting base 11 is provided with a motor groove 115 for mounting the stepping motor 121 to ensure stable operation of the motor.
As shown in fig. 1-9, when the tower fan is started to swing, the stepper motor 121 starts to move, drives the driving gear 13 to operate, drives the driven gear 14 to operate through gear connection, and drives the air duct assembly 2 to operate, wherein the limit protrusion 141 on the driven gear 14 slides along the limit groove 111 on the mounting seat 11, when the limit protrusion 141 touches one end of the limit groove 111, that is, when the limit structure 15 reaches the first limit position, the transmission shaft 1211 of the stepper motor 121 is blocked, and reverse rotation of the stepper motor 121 is realized through a preset program, so that the air duct assembly 2 swings towards the other side direction with the rated step number (normal swing angle) given by the stepper motor 121, and the normal swing function of the whole machine is realized; when the tower fan is turned off, the limit protrusion 141 on the driven gear 14 can slide along the limit groove 111 on the mounting seat 11 until the other end, that is, the limit structure 15 reaches the second limit position, so that the transmission shaft 1211 of the stepping motor 121 is blocked, and the air duct assembly 2 stops running through a preset program, so that the air outlet of the whole air duct assembly 2 is closed.
As shown in fig. 1-9, the air outlet of the tower fan is closed and opened by the cooperation of the stepping motor 121 and the gear transmission mechanism, so that the service life of the head shaking assembly 1 is prolonged as compared with that of the traditional head shaking assembly 1, the head shaking angle of the air duct assembly 2 can be controlled by the aid of the limiting structure 15 in a structural mode in cooperation with the whole machine operation program, the user requirements are better met, the normal operation of the tower fan is ensured, the head shaking angle can be changed after the machine is turned off, the first air outlet 31 and the second air outlet 23 are completely staggered, the purpose of hiding the air outlet is achieved, the appearance of the whole machine is simple, dust is not easy to accumulate, and the use experience is improved.
It is easy to understand by those skilled in the art that the above preferred embodiments can be freely combined and overlapped without conflict.
It will be understood that the above-described embodiments are merely illustrative and not restrictive, and that all obvious or equivalent modifications and substitutions to the details given above may be made by those skilled in the art without departing from the underlying principles of the invention, are intended to be included within the scope of the appended claims.
Claims (15)
1. The head shaking assembly is used for enabling an air duct assembly of the tower fan to rotate relative to a shell of the tower fan and is characterized by comprising a driving device and a limiting structure, wherein the driving device is used for driving the air duct assembly to rotate relative to the shell, and the limiting structure is configured to limit the rotation range of the air duct assembly;
The limiting structure is configured to limit the air duct assembly to rotate between a first limit position and a second limit position, and comprises a matching part capable of rotating with the air duct assembly and a stop part fixedly arranged relative to the shell, wherein the stop part is used for stopping the matching part when the air duct assembly rotates from the first limit position to the second limit position and from the second limit position to the first limit position so as to prevent the air duct assembly from continuing to rotate;
The matching part comprises a limiting protrusion, and the stop part comprises a limiting groove matched with the limiting protrusion; or alternatively
The matching part comprises a limit groove, the stop part comprises a limit protrusion matched with the limit groove,
The limiting protrusion moves in the limiting groove to limit the rotation range of the air duct assembly;
when the limit protrusion touches one end of the limit groove, namely the limit structure reaches a first limit position, the transmission shaft of the stepping motor of the driving device is blocked, and the reversing of the stepping motor is realized through a preset program, so that the air duct component swings towards the other side direction with the rated step number given by the stepping motor, and the normal head shaking function of the whole machine is realized; when the tower fan is shut down, the limit bulge on the driven gear can slide to the other end along the limit groove on the mounting seat, namely, when the limit structure reaches the second limit position, the transmission shaft of the stepping motor is blocked, and the air duct assembly stops running through a preset program, so that the air outlet of the whole air duct assembly is closed.
2. The rocker assembly of claim 1 wherein the limit slot is an arcuate slot.
3. The head assembly of claim 1, further comprising a mount, wherein the drive is mounted to the mount,
The limiting structure is arranged between the mounting seat and the air duct component; or alternatively
The head shaking assembly further comprises a transmission mechanism, the driving device drives the air duct assembly to rotate through the transmission mechanism, and the limiting structure is arranged between the transmission mechanism and the mounting seat.
4. A head assembly according to claim 3, wherein the transmission mechanism comprises a gear transmission mechanism comprising a driving gear and a driven gear which are meshed, the driving device is connected with the driving gear, the driven gear is connected with the air duct assembly, the limit protrusion is arranged on the driven gear, and the limit groove is arranged on the mounting base.
5. The head shaking assembly according to claim 4, wherein the driving device comprises a transmission shaft or a transmission hole, the section of the transmission shaft or the transmission hole is a non-circular section, the transmission hole or the transmission shaft matched with the transmission shaft or the transmission hole is arranged in the center of the driving gear, and the driving device is used for driving the driving gear to rotate through the matching of the transmission shaft and the transmission hole.
6. The head assembly of claim 4, wherein the air duct assembly is fixedly connected with the driven gear by a first snap-fit structure and/or a first fastener; and/or the number of the groups of groups,
And a first positioning structure is arranged between the air duct assembly and the driven gear and used for positioning between the driven gear and the air duct assembly.
7. The head shaking assembly according to claim 6, wherein a screw post or a screw hole is formed in one end, close to the driven gear, of the air duct assembly, a screw hole or a screw post matched with the screw post or the screw hole is formed in the driven gear, and the air duct assembly and the driven gear are fixedly connected through a screw penetrating through the screw post and the screw hole; and/or the number of the groups of groups,
The first positioning structure comprises a first positioning protrusion or a first positioning hole/groove which is arranged at one end of the air duct component, which is close to the driven gear, and the first positioning structure further comprises a first positioning hole/groove or a first positioning protrusion which is arranged at the driven gear and matched with the first positioning protrusion or the first positioning hole/groove, and the first positioning protrusion is matched with the first positioning hole/groove to realize the installation and positioning of the driven gear and the air duct component.
8. The oscillating assembly of any of claims 4-7, wherein a second positioning structure is provided between the driving means and the mounting base for positioning between the driving means and the mounting base.
9. The head assembly of claim 8, wherein the driving device comprises a second ear plate, the second positioning structure comprises a second positioning protrusion or a second positioning hole/groove arranged on the second ear plate, the second positioning structure further comprises a second positioning hole/groove or a second positioning protrusion arranged on the mounting seat and matched with the second positioning protrusion or the second positioning hole/groove, and the mounting positioning of the driving device and the mounting seat is realized through the matching of the positioning protrusion and the second positioning hole/groove.
10. The head assembly of claim 9, wherein the head assembly includes a compression member fixedly coupled to the mount for compressing and securing the drive gear and the drive device to the mount.
11. The head assembly of claim 10, wherein the compression member comprises a cover that is over the drive gear.
12. The head shaking assembly of claim 11, wherein the cover body is provided with a first ear plate, the first ear plate is provided with a mounting hole, the mounting seat is provided with a matching hole matched with the mounting hole, and the cover body and the mounting seat are fixedly connected through a second fastener passing through the mounting hole and the matching hole.
13. The rocker assembly of claim 12 wherein the first ear plate is provided with a relief groove for relief of the second locating boss.
14. A tower fan comprising a housing, an air duct assembly and a swing assembly according to any one of claims 1 to 13.
15. The tower fan of claim 14, wherein the housing is provided with a first air outlet and the duct assembly is provided with a second air outlet, the first air outlet and the second air outlet being completely staggered when the duct assembly is in the second extreme position.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992874.8A CN109139530B (en) | 2018-08-29 | 2018-08-29 | Oscillating assembly and tower fan |
| PCT/CN2018/122932 WO2020042480A1 (en) | 2018-08-29 | 2018-12-22 | Oscillation assembly and tower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992874.8A CN109139530B (en) | 2018-08-29 | 2018-08-29 | Oscillating assembly and tower fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109139530A CN109139530A (en) | 2019-01-04 |
| CN109139530B true CN109139530B (en) | 2024-07-09 |
Family
ID=64828779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992874.8A Active CN109139530B (en) | 2018-08-29 | 2018-08-29 | Oscillating assembly and tower fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109139530B (en) |
| WO (1) | WO2020042480A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137397B (en) * | 2020-01-19 | 2023-08-08 | 广东美的环境电器制造有限公司 | Air supply device |
| CN112611644A (en) * | 2020-12-14 | 2021-04-06 | 安徽恒荣高分子科技有限公司 | Electronic injection pipe pressure testing equipment |
| CN113503599B (en) * | 2021-07-15 | 2023-09-12 | 珠海格力电器股份有限公司 | Cooling fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202048623U (en) * | 2011-05-10 | 2011-11-23 | 俞小芳 | Head oscillating mechanism for warmer |
| CN205858743U (en) * | 2016-06-30 | 2017-01-04 | 深圳市联创科技集团有限公司 | The adjustable tower of air outlet angle is fanned |
| CN208831308U (en) * | 2018-08-29 | 2019-05-07 | 珠海格力电器股份有限公司 | oscillating assembly and tower fan |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62214299A (en) * | 1986-03-14 | 1987-09-21 | Hitachi Ltd | Electric fan |
| JPH05164085A (en) * | 1991-12-12 | 1993-06-29 | Matsushita Electric Ind Co Ltd | Cross-flow type cooling fan |
| CN206738202U (en) * | 2017-05-31 | 2017-12-12 | 广东美的环境电器制造有限公司 | Tower is fanned and its installing plate of shaking the head |
| CN107191400A (en) * | 2017-06-15 | 2017-09-22 | 珠海格力电器股份有限公司 | Tower fan head shaking mechanism and tower fan |
| CN107514381A (en) * | 2017-08-18 | 2017-12-26 | 珠海格力电器股份有限公司 | Oscillating device and tower fan |
| CN107605776A (en) * | 2017-10-27 | 2018-01-19 | 珠海格力电器股份有限公司 | Novel tower fan |
| CN207420932U (en) * | 2017-11-01 | 2018-05-29 | 广东美的环境电器制造有限公司 | Oscillating mechanism and warm-air drier |
| CN108119380A (en) * | 2018-01-29 | 2018-06-05 | 珠海格力电器股份有限公司 | Oscillating device and tower fan |
| CN108223419A (en) * | 2018-01-29 | 2018-06-29 | 珠海格力电器股份有限公司 | Tower fan motor support and tower fan |
-
2018
- 2018-08-29 CN CN201810992874.8A patent/CN109139530B/en active Active
- 2018-12-22 WO PCT/CN2018/122932 patent/WO2020042480A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202048623U (en) * | 2011-05-10 | 2011-11-23 | 俞小芳 | Head oscillating mechanism for warmer |
| CN205858743U (en) * | 2016-06-30 | 2017-01-04 | 深圳市联创科技集团有限公司 | The adjustable tower of air outlet angle is fanned |
| CN208831308U (en) * | 2018-08-29 | 2019-05-07 | 珠海格力电器股份有限公司 | oscillating assembly and tower fan |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020042480A1 (en) | 2020-03-05 |
| CN109139530A (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109139530B (en) | Oscillating assembly and tower fan | |
| KR200235182Y1 (en) | Driving device for infant crib | |
| US9556883B2 (en) | Inlet guide vane device | |
| GB2289087A (en) | A swiveling electric fan | |
| CN217876389U (en) | Air outlet cutoff device and air conditioner | |
| CN208831308U (en) | oscillating assembly and tower fan | |
| CN106175199A (en) | Upset linkage adjustment mechanism for furniture | |
| CN209145936U (en) | grid structure and fan | |
| CN111021281B (en) | Beating door | |
| CN116817366A (en) | Hanging machine structure | |
| CN111121161A (en) | Air deflector assembly and air conditioner | |
| CN213020237U (en) | Wind direction adjusting device and air conditioner | |
| CN107136798B (en) | Seat back regulator and balancing device thereof | |
| CN212079714U (en) | Electric fan oscillating device and electric fan thereof | |
| CN108826641B (en) | Air guide device and ventilation device | |
| CN212719970U (en) | Indoor unit of air conditioner | |
| CN108561323B (en) | Pitching assembly, machine head mechanism and household appliance | |
| US6973913B2 (en) | Final control element for controlling internal combustion engines | |
| US20070172356A1 (en) | Dual fan assembly | |
| CN207335101U (en) | The louver assembly and air conditioner of blinds driving device, air conditioner | |
| CN112780596B (en) | Pitching structure and blowing device | |
| WO2021196481A1 (en) | Rotation driving mechanism of air supply apparatus, air supply apparatus, and household appliance | |
| CN219243874U (en) | Swing blade structure | |
| CN220707497U (en) | Indoor unit of air conditioner and air conditioner | |
| US7784372B1 (en) | Drive mechanism for massaging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |