CN210509679U - Up-down oscillating mechanism of desk fan - Google Patents
Up-down oscillating mechanism of desk fan Download PDFInfo
- Publication number
- CN210509679U CN210509679U CN201921508175.8U CN201921508175U CN210509679U CN 210509679 U CN210509679 U CN 210509679U CN 201921508175 U CN201921508175 U CN 201921508175U CN 210509679 U CN210509679 U CN 210509679U
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- base
- transmission shaft
- shaft
- rotating arm
- connecting rod
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 241000883990 Flabellum Species 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The upper and lower oscillating mechanism of the desk fan comprises a base, a base installed on the base, a main shaft pivoted in the base and extending along the length direction of the base, and a driving motor for driving the main shaft to rotate, wherein the bottom end part of the base is rotatably connected with the top end part of the base, the base is provided with a transmission shaft which extends along the width direction of the transmission shaft and is in pivot fit with the base, the main shaft and the transmission shaft are synchronously connected through a transmission mechanism, a rotating arm is arranged at the part of the transmission shaft extending out of the base, a connecting rod is further arranged between the base and the rotating arm, one end of the rotating arm is fixedly connected onto the transmission shaft, the other end of the rotating arm is hinged with one end of the connecting rod, the other end of the connecting rod is rotatably connected onto the base, and the rotating. The utility model discloses only set up a driving motor, just can realize simultaneously that the fan bloies and shakes the head, simplified the structure of fan to the cost of fan has been reduced.
Description
Technical Field
The utility model relates to a fan technical field, concretely relates to desk fan's mechanism of shaking head from top to bottom.
Background
The existing fans have the function of shaking the head, and particularly, when fan blades rotate around a main shaft, the main shaft can swing within a certain angle range; in some desk fans, it is generally required that the main shaft of the desk fan can swing up and down to meet the requirement of indoor air blowing. The swing mechanism in the existing fan is usually driven by a single driving motor, that is, the rotation of the fan blades and the swing of the main shaft are driven by one motor, which requires two driving motors in the fan, resulting in a complex structure and relatively high cost of the fan.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a desk fan with a shaking mechanism, which has a simple structure and a low cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the upper and lower oscillating mechanism of the desk fan comprises a base, a base installed on the base, a main shaft pivoted in the base and extending along the length direction of the base, and a driving motor for driving the main shaft to rotate, wherein the bottom end part of the base is rotatably connected with the top end part of the base, the base is provided with a transmission shaft which extends along the width direction of the transmission shaft and is in pivot fit with the base, the main shaft and the transmission shaft are synchronously connected through a transmission mechanism, a rotating arm is arranged at the part of the transmission shaft extending out of the base, a connecting rod is further arranged between the base and the rotating arm, one end of the rotating arm is fixedly connected onto the transmission shaft, the other end of the rotating arm is hinged with one end of the connecting rod, the other end of the connecting rod is rotatably connected onto the base, and the rotating.
The transmission mechanism comprises a worm fixedly arranged on the main shaft and a worm wheel positioned in the base and fixed on the transmission shaft, and the worm wheel is meshed with the worm.
Two ends of the transmission shaft respectively penetrate out of two sides of the base, two ends of the transmission shaft are respectively fixed with a rotating arm, two sides of the outside of the base are respectively provided with a connecting rod, and the two connecting rods are respectively matched with the two rotating arms.
The base is provided with a rotary seat with a shaft hole, and the other ends of the two connecting rods are respectively rotatably connected with the two ends of the shaft hole of the rotating shaft in a penetrating way.
The body part of the driving motor is fixed on the rear end surface of the base.
The beneficial effects of the utility model reside in that:
the utility model discloses utilize a driving motor, drive the main shaft and the transmission shaft that the mutually perpendicular set up and rotate simultaneously, realized the rotation and the luffing motion of flabellum then, that is to say, only set up a driving motor, just can realize simultaneously that the fan bloies and shakes the head, simplified the structure of fan to the cost of fan has been reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the working state of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 and 2, the oscillating mechanism for a desktop fan according to the present invention comprises a base 10, a base 20, a spindle 30 and a driving motor 40, wherein the base 20 is disposed above the base 10, the bottom of the front end of the base 20 is hinged to the top end of the base 10, the rotation axes of the base and the base extend along the width direction of the base 20, the spindle 30 is mounted inside the base 20 and extends along the length direction of the base 20, and the spindle 30 is pivotally engaged with the base 20, the front end of the spindle 30 extends from the front end of the base 20 for connecting fan blades of the fan, the driving motor 40 is used for driving the spindle 30 to rotate, wherein the body of the driving motor 40 is partially fixed on the rear end surface of the base 20, and the output shaft thereof is connected with the rear end of the spindle 30; the base 20 is provided with a transmission shaft 22 extending along the width direction of the base, the transmission shaft 22 is in pivot fit with the base 20, wherein the main shaft 30 and the transmission shaft 22 are synchronously connected through a transmission mechanism, the transmission mechanism can be a worm 31 fixedly arranged on the main shaft 30, a worm wheel 21 positioned in the base 20 and fixedly arranged on the transmission shaft 22, and the worm wheel 21 is arranged below the worm 31 and meshed with the worm 31; the end of the transmission shaft 22 extends out from the side of the base 20, a rotation arm 51 is disposed at the end of the transmission shaft 22, and a connection rod 52 is disposed between the rotation arm 51 and the base 10, wherein one end of the rotation arm 51 is fixed on the transmission shaft 22, the other end of the rotation arm is hinged to one end of the connection rod 52, and the other end of the connection rod 52 is rotatably connected to the base 10, so that the rotation arm 51 can perform a circular motion along with the transmission shaft 22, and when the rotation arm 51 rotates, the connection rod 52 continuously swings back and forth. The rotation axis of the link 52 with respect to the base 10 and the rotation axis of the housing 20 with respect to the base 10 are parallel to each other, both of which are aligned with the width direction of the housing 20, and the rotation axes thereof are offset from each other by a certain distance.
When the fan works, the driving motor 40 drives the spindle 30 to rotate, so that the fan blades continuously rotate, meanwhile, the worm 31 drives the worm wheel 21 to rotate, the rotating arm 51 moves along with the circumference of the worm wheel 21 seat, and the connecting rod 52 is hinged with the rotating arm 51, so that the connecting rod 52 is used for pulling and pushing the machine seat 20 in a reciprocating mode, the machine seat 20 swings up and down relative to the base 10, and then the fan blades swing up and down, so that the blowing direction of the fan is changed. Moreover, the worm gear and the worm constitute a speed reducing mechanism, so that the up-and-down swinging frequency of the base 20 is not too fast. The utility model discloses utilize a driving motor, drive the main shaft and the transmission shaft that the mutually perpendicular set up and rotate simultaneously, realized the rotation and the luffing motion of flabellum then, that is to say, only set up a driving motor, just can realize simultaneously that the fan bloies and shakes the head, simplified the structure of fan to the cost of fan has been reduced.
It should be noted that the transmission mechanism of the present invention is not limited to the worm gear mechanism, and for example, a bevel gear is mounted on the main shaft 30, and a bevel gear is mounted on the transmission shaft 22 and located at the side of the main shaft 30, and the bevel gears are engaged to change the power output direction and then transmit the power from the main shaft 30 to the transmission shaft 22.
In order to guarantee the stationarity of luffing motion, the utility model discloses the both ends of transmission shaft 22 have the both sides of frame 20 to wear out respectively, and the both ends of transmission shaft 22 are fixed with a rotor 51 respectively, and the outside both sides of frame 20 set up a connecting rod 52 respectively, and two connecting rods 52 cooperate with two rotor 51 respectively. And, a swivel mount 11 with a shaft hole is provided on the base 10, and the other ends of the two connecting rods 52 are provided with shaft heads, when mounting, the shaft heads of the two connecting rods 52 are inserted from the end of the shaft hole on the swivel mount 11, so that the connecting rods 52 are rotatably matched with the swivel mount 11.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The upper and lower oscillating mechanism of the desk fan is characterized by comprising a base, a base arranged on the base, a main shaft pivoted in the base and extending along the length direction of the base, and a driving motor for driving the main shaft to rotate, wherein the bottom end part of the base is rotatably connected with the top end part of the base, a transmission shaft which extends along the width direction of the transmission shaft and is in pivot fit with the base is arranged on the base, the main shaft is synchronously connected with the transmission shaft through a transmission mechanism, a rotating arm is arranged at the part of the transmission shaft extending out of the base, a connecting rod is further arranged between the base and the rotating arm, one end of the rotating arm is fixedly connected onto the transmission shaft, the other end of the rotating arm is hinged with one end of the connecting rod, the other end of the connecting rod is rotatably connected onto the base, and the rotating axis.
2. An oscillating up and down mechanism for a desk fan as claimed in claim 1, wherein the transmission mechanism comprises a worm fixedly mounted on the main shaft, a worm wheel located in the housing and fixed on the transmission shaft, the worm wheel being engaged with the worm.
3. The upward and downward oscillating mechanism of a desk fan according to claim 2, wherein both ends of the driving shaft are respectively penetrated through both sides of the base, and a rotating arm is respectively fixed to both ends of the driving shaft, and a connecting rod is respectively provided on both outer sides of the base, and the two connecting rods are respectively engaged with the two rotating arms.
4. A rocking mechanism for a desk fan as claimed in claim 3, wherein the base has a rotary base with an axial hole, and the other ends of the two connecting rods are rotatably inserted into the two ends of the axial hole of the rotary shaft.
5. The upward and downward oscillating mechanism for a desk fan according to claim 1, wherein the body portion of the driving motor is fixed to a rear end surface of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508175.8U CN210509679U (en) | 2019-09-10 | 2019-09-10 | Up-down oscillating mechanism of desk fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508175.8U CN210509679U (en) | 2019-09-10 | 2019-09-10 | Up-down oscillating mechanism of desk fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509679U true CN210509679U (en) | 2020-05-12 |
Family
ID=70569310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921508175.8U Expired - Fee Related CN210509679U (en) | 2019-09-10 | 2019-09-10 | Up-down oscillating mechanism of desk fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030910A (en) * | 2022-04-25 | 2022-09-09 | 石家庄格力电器小家电有限公司 | Moving head structure and fan |
-
2019
- 2019-09-10 CN CN201921508175.8U patent/CN210509679U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030910A (en) * | 2022-04-25 | 2022-09-09 | 石家庄格力电器小家电有限公司 | Moving head structure and fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |