CN110966241A - Automatic fan head swinging mechanism - Google Patents
Automatic fan head swinging mechanism Download PDFInfo
- Publication number
- CN110966241A CN110966241A CN201811149667.2A CN201811149667A CN110966241A CN 110966241 A CN110966241 A CN 110966241A CN 201811149667 A CN201811149667 A CN 201811149667A CN 110966241 A CN110966241 A CN 110966241A
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- Prior art keywords
- gear
- support frame
- swinging mechanism
- fan head
- head
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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
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an automatic fan head swinging mechanism, which comprises a lower support frame, an upper support frame, a fan head, a left head swinging mechanism, a right head swinging mechanism, an upper head swinging mechanism and a lower head swinging mechanism, wherein the lower support frame and the upper support frame are mutually connected; the left and right head swinging mechanism comprises a first gear and a gear shaft which are meshed with each other, and a stepping motor which drives the first gear to rotate; the stepping motor drives the first gear to rotate on the gear shaft, so that the fan head swings left and right; the upper and lower swinging head mechanism comprises a crank connecting rod mechanism driven by a synchronous motor, the fan head is connected with the upper supporting frame through a second gear, and the second gear is driven to rotate through the crank connecting rod mechanism so as to enable the fan head to swing up and down. The fan head has the two functions of left-right automatic swinging and up-down automatic swinging by arranging the left-right swinging mechanism combining the gear and the gear shaft and the up-down swinging mechanism consisting of the synchronous motor, the crank connecting rod mechanism and the gear on the fan, the application range of the fan is wide, and more requirements of users are met.
Description
Technical Field
The invention relates to the technical field of fan swinging, in particular to an automatic swinging mechanism of a fan.
Background
The fan is common household appliances, the existing fan can only automatically swing left and right like a floor fan or can only automatically swing up and down like a wall fan, and few fans with the functions of automatically swinging left and right and automatically swinging up and down cannot meet the increasing demands of consumers.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an automatic yaw mechanism of fan can realize the fan head from top to bottom and control automatic yaw, satisfies user's demand.
The technical solution of the invention is as follows: the invention provides an automatic fan head swinging mechanism, which comprises a lower support frame, an upper support frame, a fan head, a left head swinging mechanism, a right head swinging mechanism, an upper head swinging mechanism and a lower head swinging mechanism, wherein the lower support frame and the upper support frame are mutually connected;
the left and right head swinging mechanism comprises a first gear, a gear shaft and a stepping motor, wherein the first gear is horizontally arranged at the bottom of the upper supporting frame, the gear shaft is arranged at the top of the lower supporting frame, and the stepping motor drives the first gear to rotate; the stepping motor drives the first gear to rotate on the gear shaft, so that the fan head swings left and right;
the upper and lower swinging head mechanism comprises a crank connecting rod mechanism driven by a synchronous motor, the left side and the right side of the fan head are connected with the upper supporting frame through a vertical second gear, and the crank connecting rod mechanism drives the second gear to rotate so as to enable the fan head to swing up and down.
Furthermore, the left and right swinging head mechanism also comprises a bracket arranged in the upper support frame shell; the stepping motor is fixed at the upper end of the bracket; the first gear is horizontally arranged at the lower end of the bracket and is connected with an output shaft of the stepping motor; the gear shaft is fixed on the lower support frame.
Furthermore, a hollow telescopic long pipe is arranged at the top of the lower support frame, and a mounting rod is arranged at the bottom of the support; the mounting rod is inserted into the gear shaft, and the shaft end of the gear shaft is vertically fixed on the telescopic long pipe, so that the lower support frame and the upper support frame are connected into a whole.
Furthermore, the upper supporting frame comprises a supporting front shell, and a connecting part extends out of the left side and the right side of the supporting front shell respectively; the left side and the right side of a motor rear shell of the fan head are respectively arranged on the connecting parts, and the second gears are fixed on the two sides of the motor rear shell.
Further, the crank-link mechanism is arranged on the left side of the motor rear shell and sequentially comprises a first crank, a connecting rod and a second crank, and the second crank drives the second gear to rotate.
Furthermore, a protruding cylinder is arranged on the side face of the second gear, a mounting hole is formed in the corresponding position of the connecting portion, and the cylinder is inserted into the mounting hole, so that the motor rear shell and the connecting portion are integrally mounted.
Furthermore, a resistance gear meshed with the second gear is further arranged around the second gear on the right side of the rear shell of the motor.
Furthermore, the number of the resistance gears is three, and each resistance gear is distributed at 120 degrees between the resistance gears on the inner side of the rear shell of the motor.
The automatic fan head swinging mechanism has the following beneficial effects: through set up the left and right sides yaw mechanism that gear and gear shaft combined together and by synchronous motor, crank link mechanism and gear constitution's upper and lower yaw mechanism on the fan, make the fan head have simultaneously about automatic yaw and two functions of automatic yaw from top to bottom, fan application scope is wide, and convenient to use satisfies more demands of user.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of the overall structure of the automatic fan head-swinging mechanism of the present invention;
FIG. 2 is an assembly view of the left and right oscillating structures of the automatic oscillating mechanism of the fan of the present invention;
FIG. 3 is an exploded view of the left and right swing structure of the automatic swing mechanism of the fan of the present invention;
FIG. 4 is an assembly view of the vertical swing structure of the automatic swing mechanism of the fan of the present invention;
FIG. 5 is a left side view of the vertical swing structure of the automatic swing mechanism of the fan of the present invention;
FIG. 6 is a right side view of the vertical swing structure of the automatic swing mechanism of the fan of the present invention;
FIG. 7 is a schematic side view of a second gear of the automatic fan head-swinging mechanism according to the present invention;
fig. 8 is a schematic structural view of the front supporting shell of the automatic fan head-swinging mechanism of the present invention.
Detailed Description
Fig. 1 to 8 show a preferred embodiment of the automatic fan head-swinging mechanism of the present invention, which comprises a lower support frame 1 and an upper support frame 2 connected with each other, a fan head 3 fixed on the upper support frame 2, a left-right head-swinging mechanism 4 and a top-bottom head-swinging mechanism 5; the left and right head swinging mechanism 4 comprises a first gear 41 which is horizontally arranged at the bottom of the upper support frame 2, a gear shaft 42 which is arranged at the top of the lower support frame 1 and is meshed with each other, and a stepping motor 43 which drives the first gear 41 to rotate; the stepping motor 43 drives the first gear 41 to rotate on the gear shaft 42, so that the fan head 3 swings left and right; the vertical swinging head mechanism 5 comprises a crank link mechanism 52 driven by a synchronous motor 51, the left side and the right side of the fan head 3 are connected with the upper supporting frame 2 through a vertical second gear 53, and the second gear 53 is driven to rotate through the crank link mechanism 52 so as to enable the fan head 3 to swing up and down. The automatic fan head swinging mechanism in the embodiment has two functions of left and right automatic head swinging and up and down automatic head swinging, the left and right automatic head swinging functions are realized by the stepping motor 43, the first gear 41 and the gear shaft 42, the stepping motor 43 drives the first gear 41 to rotate on the gear shaft 42, the gears on the first gear 41 and the gear shaft 42 are both horizontally arranged, the upper support frame 2 is driven to horizontally rotate on the lower support frame 1, and the fan head 3 fixed on the upper support frame 2 also horizontally rotates to supply air accordingly. The automatic head swinging function from top to bottom is realized by synchronous motor 51, crank link mechanism 52 and second gear 53, synchronous motor 51 is installed in fan head 3, the output shaft is connected with crank link mechanism 52, the end of crank link mechanism 52 is connected with second gear 53 of vertical setting, synchronous motor 51 drives second gear 53 through crank link mechanism 52 and rotates, make fan head 3 tilt from top to bottom, thereby make fan head 3 both can the left and right sides head but also can the tilt from top to bottom, user's multiple demand has been satisfied.
The left-right swinging head mechanism 4 in the embodiment also comprises a bracket 44 arranged in the shell of the upper support frame 2; the stepping motor 43 is fixed on the upper end of the bracket 44; the first gear 41 is horizontally arranged at the lower end of the bracket 44 and is connected with an output shaft of the stepping motor 43; the gear shaft 42 is fixed to the lower support 1. The top of the lower support frame 1 is provided with a hollow telescopic long pipe 11, and the bottom of the support 44 is provided with a mounting rod 45; the mounting rod 45 is inserted into the gear shaft 42, and the shaft end of the gear shaft 42 is vertically fixed on the telescopic long pipe 11, so that the lower support frame 1 and the upper support frame 2 are connected into a whole. Connect as an organic wholely through the combination of installation pole 45, gear shaft 42 and flexible long tube 11 three between inferior part support frame 1 and the upper portion support frame 2, 1 top of inferior part support frame is equipped with flexible long tube 11, and the middle part is the cavity round hole, and the axle head cover of gear shaft 42 is in flexible long tube 11, and the convex installation pole 45 cover of 2 bottoms of upper portion support frame is in gear shaft 42 to couple together inferior part support frame 1 and upper portion support frame 2. The first gear 41 is meshed with a gear on the gear shaft 42, the stepping motor 43 drives the first gear 41 to rotate on the gear shaft 42, and since the first gear 41 and the gear on the gear shaft 42 are both horizontally arranged, the first gear 41 drives the upper support frame 2 and the fan head 3 mounted on the upper support frame 2 to also horizontally rotate. The gear on the gear shaft 42 is semicircular, and the rotation angle of the fan head 3 does not exceed 180 degrees.
In the embodiment, the upper support frame 2 comprises a front support shell 21, and a connecting part 211 respectively extends from the left and the right of the front support shell 21; the left and right sides of the motor rear case 31 of the fan head 3 are respectively attached to the connection portions 211, and the second gears 53 are fixed to both sides of the motor rear case 31. The upper part of the upper support frame 2 in this embodiment is in a shape of a horn for mounting and fixing the fan head 3, the rear part of the fan head 3 is a motor rear shell 31, and the synchronous motor 51, the crank link mechanism 52 and the second gear 53 are all arranged in the motor rear shell 31.
In this embodiment, the crank-link mechanism 52 is disposed on the left side of the motor rear shell 31, and sequentially includes a first crank 521, a link 522, and a second crank 523, and the second crank 523 drives the second gear 53 to rotate. The crank link mechanism 52 is a connecting device connecting the synchronous motor 51 and the second gear 53, and is used for driving the second gear 53 to rotate. The crank link mechanism 52 may be provided on the right side of the motor rear case 31, and the same function may be achieved.
In this embodiment, a protruding cylindrical body 100 is provided on a side surface of the second gear 53, a mounting hole 200 is provided at a corresponding position on the connecting portion 211, and the cylindrical body 100 is inserted into the mounting hole 200, so that the motor rear case 31 and the connecting portion 211 are integrally mounted. The left and right second gears 53 are provided with small cylinders 100 which are inserted into the mounting holes 200 at the left and right ends of the front supporting shell 21, the second gears 53 and the front supporting shell 21 are relatively static in the swinging process of the fan head 3, and only the crank rotates and drives the whole head to rotate back and forth up and down, so that the automatic swinging up and down is realized.
In this embodiment, a resistance gear 54 is further provided around the second gear 53 on the right side of the motor rear case 31. Preferably, there are three resistance gears 54, and each of the resistance gears 54 is distributed at 120 degrees therebetween inside the motor rear case 31. The left synchronous motor 51, the crank link mechanism 52 and the second gear 53 drive the head of the fan to rotate, three small resistance gears 54 are uniformly distributed around the right second gear 53 to support rotation, and the left and right synchronous motor can stably rotate around the central shafts of the second gears 53 on two sides.
By using the automatic fan head swinging mechanism, the fan head has two functions of left-right automatic head swinging and up-down automatic head swinging by arranging the left-right head swinging mechanism combining the gear and the gear shaft and the up-down head swinging mechanism consisting of the synchronous motor, the crank connecting rod mechanism and the gear, the fan has wide application range and convenient use, and meets more requirements of users.
The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the invention are therefore considered to be within the scope of the invention.
Claims (8)
1. The automatic fan head swinging mechanism comprises a lower support frame (1), an upper support frame (2) and a fan head (3) fixed on the upper support frame (2), wherein the lower support frame and the upper support frame are mutually connected, and is characterized by further comprising a left head swinging mechanism (4), a right head swinging mechanism (4) and an up-down head swinging mechanism (5);
the left and right head swinging mechanism (4) comprises a first gear (41) which is horizontally arranged at the bottom of the upper supporting frame (2) and is meshed with each other, a gear shaft (42) which is arranged at the top of the lower supporting frame (1), and a stepping motor (43) which drives the first gear (41) to rotate; the stepping motor (43) drives the first gear (41) to rotate on the gear shaft (42), so that the fan head (3) swings left and right;
the up-down swinging mechanism (5) comprises a crank connecting rod mechanism (52) driven by a synchronous motor (51), the left side and the right side of the fan head (3) are connected with the upper supporting frame (2) through a vertical second gear (53), and the crank connecting rod mechanism (52) drives the second gear (53) to rotate so as to enable the fan head (3) to swing up and down.
2. The automatic fan head swinging mechanism according to claim 1, wherein the left and right head swinging mechanism (4) further comprises a bracket (44) arranged in the shell of the upper support frame (2); the stepping motor (43) is fixed at the upper end of the bracket (44); the first gear (41) is horizontally arranged at the lower end of the bracket (44) and is connected with an output shaft of the stepping motor (43); the gear shaft (42) is fixed on the lower support frame (1).
3. The automatic fan head swinging mechanism according to claim 2, wherein the top of the lower support frame (1) is provided with a hollow telescopic long pipe (11), and the bottom of the bracket (44) is provided with a mounting rod (45); the mounting rod (45) is inserted into the gear shaft (42), and the shaft end of the gear shaft (42) is vertically fixed on the telescopic long pipe (11), so that the lower support frame (1) and the upper support frame (2) are connected into a whole.
4. The automatic fan head swinging mechanism according to claim 1, wherein the upper support frame (2) comprises a support front shell (21), and a connecting part (211) extends out of each of the left and right sides of the support front shell (21); the left side and the right side of a motor rear shell (31) of the fan head (3) are respectively arranged on the connecting part (211), and the second gear (53) is fixed on the two sides of the motor rear shell (31).
5. The automatic fan head swinging mechanism according to claim 4, wherein the crank-link mechanism (52) is arranged on the left side of the motor rear shell (31) and sequentially comprises a first crank (521), a link (522) and a second crank (523), and the second crank (523) drives the second gear (53) to rotate.
6. The automatic fan head swinging mechanism according to claim 5, wherein a protruding cylinder (100) is provided on a side surface of the second gear (53), a mounting hole (200) is provided at a corresponding position on the connecting portion (211), and the cylinder (100) is inserted into the mounting hole (200) so as to integrally mount the motor rear case (31) and the connecting portion (211).
7. The automatic fan head swinging mechanism according to claim 6, characterized in that a resistance gear (54) meshed with the second gear (53) on the right side of the motor rear shell (31) is further arranged around the second gear.
8. The automatic fan head swinging mechanism according to claim 7, wherein the number of the resistance gears (54) is three, and each resistance gear (54) is distributed at 120 degrees between the inner sides of the motor rear shell (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149667.2A CN110966241A (en) | 2018-09-29 | 2018-09-29 | Automatic fan head swinging mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149667.2A CN110966241A (en) | 2018-09-29 | 2018-09-29 | Automatic fan head swinging mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110966241A true CN110966241A (en) | 2020-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811149667.2A Pending CN110966241A (en) | 2018-09-29 | 2018-09-29 | Automatic fan head swinging mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110966241A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305061A (en) * | 2000-05-19 | 2001-07-25 | 广东美的集团股份有限公司 | Composite oscillating mechanism for electric fan |
| CN201730849U (en) * | 2010-06-08 | 2011-02-02 | 美的集团有限公司 | Oscillating mechanism of electric fan |
| JP4975375B2 (en) * | 2006-05-31 | 2012-07-11 | フルタ電機株式会社 | Anti-frost fan device |
| CN206753962U (en) * | 2017-06-02 | 2017-12-15 | 广东美的环境电器制造有限公司 | The drive assembly and oscillating fan of oscillating fan |
| CN207920928U (en) * | 2017-12-15 | 2018-09-28 | 佛山市海顿灯饰电器有限公司 | Solid rotation fan |
-
2018
- 2018-09-29 CN CN201811149667.2A patent/CN110966241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305061A (en) * | 2000-05-19 | 2001-07-25 | 广东美的集团股份有限公司 | Composite oscillating mechanism for electric fan |
| JP4975375B2 (en) * | 2006-05-31 | 2012-07-11 | フルタ電機株式会社 | Anti-frost fan device |
| CN201730849U (en) * | 2010-06-08 | 2011-02-02 | 美的集团有限公司 | Oscillating mechanism of electric fan |
| CN206753962U (en) * | 2017-06-02 | 2017-12-15 | 广东美的环境电器制造有限公司 | The drive assembly and oscillating fan of oscillating fan |
| CN207920928U (en) * | 2017-12-15 | 2018-09-28 | 佛山市海顿灯饰电器有限公司 | Solid rotation fan |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200407 |