CN211820043U - Rotating base and desk type fan with same - Google Patents
Rotating base and desk type fan with same Download PDFInfo
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- CN211820043U CN211820043U CN202020443309.9U CN202020443309U CN211820043U CN 211820043 U CN211820043 U CN 211820043U CN 202020443309 U CN202020443309 U CN 202020443309U CN 211820043 U CN211820043 U CN 211820043U
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- chassis
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- upper chassis
- lower chassis
- motor
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Abstract
A rotating base and a desk fan with the same comprise an upper chassis and a lower chassis, wherein the upper chassis can rotate relative to the lower chassis, a motor is fixed on the upper chassis, a through hole is also formed in the upper chassis, one side of the motor, which is provided with an output shaft, faces the upper chassis, the output shaft of the motor penetrates through the through hole and extends to the lower part of the upper chassis, a connecting rod is also arranged between the upper chassis and the lower chassis, one end of the connecting rod is fixedly connected to the output shaft of the motor, a limiting groove is also formed in the lower chassis, a connecting column is convexly arranged at the other end of the connecting rod facing the lower chassis, and the connecting column is arranged in the limiting groove; the utility model discloses a rotating base's last chassis realizes the function of shaking head of this product for the rotation on lower chassis, compares in the electric fan of shaking head on the market, and is more steady when this product rotates, can not appear blocking and noise, and the flagging condition also does not appear in the fan head.
Description
Technical Field
The utility model relates to a rotating base field, concretely relates to be applied to rotating base of desk fan.
Background
The electric fan is a device which is driven by electricity to generate airflow, a fan arranged in the electric fan is electrified and then rotates into natural wind to achieve the effect of cooling, and the conventional table electric fan on the market can realize the function of shaking the head;
the existing desktop electric fans on the market all rely on a motor fixed in a fan head to drive the fan head to rotate relative to a support rod to realize a head shaking function, but because the weight of the fan head is often heavier, the fan head is also rotatably connected to a slender support rod, because the stress point is very small, the joint is likely to bear the weight of the fan head after being used for a period of time, so that the fan head begins to droop slowly, and the joint of the fan head and the support rod is abraded due to long-term rotation friction, so that the blockage and noise are easily caused when the fan head swings; both of the above problems result in short life of the existing oscillating fan on the market, and usually need to be repaired or replaced after a period of use.
Disclosure of Invention
In order to overcome the above-mentioned not enough of prior art, the utility model provides a rotating base and applied this rotating base's desk-top fan.
For solving the technical problem, the utility model relates to a rotating base, including last chassis and lower chassis, it rotates to connect to go up the chassis on the lower chassis, go up and be fixed with the motor on the chassis, go up the chassis with lower chassis between still be equipped with a guide bar, the wherein one end of guide bar with the output shaft transmission of motor connect, still seted up one main guide way on the chassis down, the other end of guide bar wears to establish main guide way in.
Furthermore, a plurality of auxiliary guide grooves are formed in the lower chassis, a plurality of guide posts are convexly arranged on the lower side of the upper chassis, and the guide posts are slidably arranged in the auxiliary guide grooves in a penetrating mode.
Furthermore, the main guide groove is a straight groove, the main guide groove is arranged along the radial direction of the lower chassis, the auxiliary guide grooves are arc-shaped grooves, the number of the auxiliary guide grooves is two, and the two auxiliary guide grooves are symmetrically arranged relative to the main guide groove.
Furthermore, a wear-resistant rubber ring is clamped between the upper chassis and the lower chassis, a plurality of fixing columns are convexly arranged on the upper side of the wear-resistant rubber ring, a plurality of fixing holes are formed in the upper chassis, the fixing columns are in plug fit with the fixing holes, the upper side of the wear-resistant rubber ring is attached to the lower side of the upper chassis, a plurality of contact platforms are convexly arranged on the upper side of the lower chassis in the circumferential direction, and the top ends of the contact platforms are abutted to the lower side of the wear-resistant rubber ring.
Furthermore, a switching hole is formed in the center of the lower chassis, a switching shaft is convexly arranged in the center of the lower side of the upper chassis, the upper chassis and the lower chassis are rotatably connected through the insertion and connection of the switching hole and the switching shaft, a bushing is further sleeved in the switching hole, and the bushing is located between the switching shaft and the switching hole.
Furthermore, a threaded hole is formed in the lower end face of the transfer shaft, a fixing plate is further arranged below the lower chassis and right below the transfer hole, a screw hole is formed in the fixing plate, and the lower chassis and the upper chassis are screwed in the threaded hole through a screw penetrating through the screw hole to achieve fixed connection.
Furthermore, the motor is fixed on the upper side of the upper chassis, a through hole is also formed in the upper chassis, and an output shaft of the motor penetrates through the through hole and extends into the lower side of the upper chassis; the motor can also be directly fixed on the lower side of the lower chassis, so that the arrangement of the through hole can be omitted, the transmission is more direct compared with the arrangement of the motor on the upper side of the upper chassis, and the distance between the upper chassis and the lower chassis can be increased correspondingly.
The utility model discloses still include a desk-top fan, include as above rotating base, still include the fan head.
Further, a supporting seat is fixedly arranged above the upper base plate, a supporting rod is arranged on the supporting seat in a protruding mode, the fan head is rotatably connected to the top end of the supporting rod, a placing seat is fixedly arranged below the lower base plate, and a control circuit board is further arranged between the upper base plate and the supporting seat.
Furthermore, the control circuit board is also provided with an adjusting knob, and the adjusting knob is exposed above the supporting seat.
The utility model discloses a mode of shaking the head: after the fan is switched to a shaking gear, the motor starts to operate, the output shaft of the motor starts to rotate, the output shaft of the motor drives the guide rod to enable the guide rod to have a rotating motion trend, however, one end of the guide rod penetrates through the main guide groove of the lower chassis, the guide rod enables the lower chassis to have a rotating motion trend, the placing seat is further fixed below the lower chassis, friction is generated between the placing seat and the ground to prevent the lower chassis from rotating, the main guide groove can also prevent the guide rod from rotating, therefore, the motor can rotate relative to the guide rod, and the motor is fixed on the upper chassis, can drive the upper chassis to rotate relative to the guide rod, and at the moment, the upper chassis can rotate relative to the lower chassis, and can drive the supporting seat and the fan head to rotate; when the upper chassis rotates relative to the lower chassis, the adapter shaft rotates in the adapter hole to rub the lining, the upper chassis drives the wear-resistant rubber ring to rotate relative to the lower chassis, and the wear-resistant rubber ring rubs the contact platform; when the upper chassis rotates relative to the lower chassis, the guide post can slide in the auxiliary guide groove to prevent the upper chassis from deflecting and play a role in guiding.
The beneficial effects of the utility model reside in that: 1. the head shaking function of the electric fan is realized by rotating the upper chassis of the rotary base relative to the lower chassis, and compared with the oscillating electric fans on the market, the electric fan is more stable in rotation, free of jamming and noise and free of sagging of the fan head; 2. a wear-resistant rubber ring is clamped between the upper chassis and the lower chassis, and a bushing is further sleeved in the through hole, so that when the upper chassis rotates relative to the lower chassis, the abrasion of the joint of the upper chassis and the lower chassis can be effectively reduced, and the service life of the product is greatly prolonged; 3. the chassis epirelief is equipped with the contact station down, and the top by the contact station is in the same place with wear-resisting rubber ring butt, can effectively reduce the area of contact between chassis and the lower chassis, when last chassis takes place to rotate for lower chassis, alright with reduce the frictional force that produces between the two for rotate easier and steady.
Drawings
Fig. 1 is a schematic structural diagram of the rotating base of the present invention.
Fig. 2 is another schematic structural diagram of the rotating base of the present invention.
Fig. 3 is an exploded view of the rotating base of the present invention.
Fig. 4 is a schematic structural diagram of the upper chassis of the present invention.
Fig. 5 is another mechanism diagram of the upper chassis of the present invention.
Fig. 6 is a schematic structural diagram of the lower chassis of the present invention.
Fig. 7 is a schematic structural diagram of the fixing plate of the present invention.
Fig. 8 is an exploded view of the desk fan of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1 to 8, the rotating base includes an upper chassis 1 and a lower chassis 2, the upper chassis 1 is rotatably connected to the lower chassis 2, a motor 3 is fixed on the upper chassis 1, a guide rod 4 is further disposed between the upper chassis 1 and the lower chassis 2, one end of the guide rod 4 is in transmission connection with an output shaft of the motor 3, a main guide groove 5 is further disposed on the lower chassis 2, and the other end of the guide rod 4 is inserted into the main guide groove 5.
Furthermore, a plurality of auxiliary guide grooves 6 are further formed in the lower chassis 2, a plurality of guide posts 7 are convexly arranged on the lower side of the upper chassis 1, and the guide posts 7 are slidably arranged in the auxiliary guide grooves 6 in a penetrating mode.
Further, the main guide groove 5 is a straight groove, the main guide groove 5 is arranged along the radial direction of the lower chassis 2, the auxiliary guide grooves 6 are arc-shaped grooves, two auxiliary guide grooves 6 are arranged, and the two auxiliary guide grooves 6 are symmetrically arranged relative to the main guide groove 5.
Further, a wear-resistant rubber ring 8 is clamped between the upper chassis 1 and the lower chassis 2, a plurality of fixing columns 9 are convexly arranged on the upper side of the wear-resistant rubber ring 8, a plurality of fixing holes 10 are formed in the upper chassis 1, the fixing columns 9 are inserted into the fixing holes 10 in a matching mode, the upper side of the wear-resistant rubber ring 8 is attached to the lower side of the upper chassis 1, a plurality of contact platforms 11 are convexly arranged on the upper side of the lower chassis 2 in the circumferential direction, and the top ends of the contact platforms 11 are abutted to the lower side of the wear-resistant rubber ring 8.
Further, a transfer hole 12 is formed in the center of the lower chassis 2, a transfer shaft 13 is convexly arranged in the center of the lower side of the upper chassis 1, the upper chassis 1 and the lower chassis 2 are rotatably connected through the insertion and connection of the transfer hole 12 and the transfer shaft 13, a bushing 14 is further sleeved in the transfer hole 12, and the bushing 14 is located between the transfer shaft 13 and the transfer hole 12.
Further, a threaded hole 15 is formed in the lower end face of the transfer shaft 13, a fixing plate 16 is further arranged below the lower chassis 2 and right below the transfer hole 12, a screw hole 17 is formed in the fixing plate 16, and the lower chassis 2 and the upper chassis 1 are screwed in the threaded hole 15 through screws penetrating through the screw hole 17 to achieve fixed connection.
Further, the motor 3 is fixed on the upper side of the upper chassis 1, a through hole 18 is further formed in the upper chassis 1, and an output shaft of the motor 3 penetrates through the through hole 18 and extends into the lower side of the upper chassis 1.
The present embodiment further includes a desk fan, which includes the rotating base as described above, and further includes a fan head 19.
Further, a supporting seat 20 is fixedly arranged above the upper chassis 1, a supporting rod 21 is convexly arranged on the supporting seat 20, the fan head 19 is rotatably connected to the top end of the supporting rod 21, a placing seat 22 is fixedly arranged below the lower chassis 2, and a control circuit board 23 is further arranged between the upper chassis 1 and the supporting seat 20.
Further, an adjusting knob 24 is further disposed on the control circuit board 23, and the adjusting knob 24 is exposed above the supporting seat 20.
Oscillation mode of this embodiment: after the adjusting knob 24 is turned to the shaking gear, the motor 3 starts to operate, the output shaft of the motor 3 starts to rotate, the output shaft of the motor 3 drives the guide rod 4 to enable the guide rod 4 to have a rotating movement trend, however, because one end of the guide rod 4 is inserted into the main guide groove 5 of the lower chassis 2, the guide rod 4 can make the lower chassis 2 have a rotating movement tendency, and because the placing seat 22 is fixed below the lower chassis 2, friction is generated between the placing seat 22 and the ground to prevent the lower chassis 2 from rotating, the main guide groove 5 can also prevent the guide rod 4 from rotating, therefore, the motor 3 can rotate relatively to the guide rod 4, and because the motor 3 is fixed on the upper chassis 1, the motor 3 can drive the upper chassis 1 to rotate relatively to the guide rod 4, at the moment, the upper chassis 1 can rotate relatively to the lower chassis 2, and the upper chassis 1 can drive the supporting seat 20 and the fan head 19 to rotate; when the upper chassis 1 rotates relative to the lower chassis 2, the adapting shaft 13 rotates in the adapting hole 12 to rub against the lining 14, at the moment, the upper chassis 1 also drives the wear-resistant rubber ring 8 to rotate relative to the lower chassis 2, and the wear-resistant rubber ring 8 rubs against the contact platform 11; when the upper chassis 1 rotates relative to the lower chassis 2, the guide post 7 slides in the secondary guide slot 5 to prevent the upper chassis 1 from deflecting and to guide.
The advantages of this embodiment are: the flagging phenomenon can not appear in the fan head, and is more steady and do not have the noise when shaking head, and it is more wear-resisting to rotate the junction, product long service life.
Claims (10)
1. The utility model provides a rotating base, includes last chassis and lower chassis, go up the chassis and rotate the connection and be in lower chassis on its characterized in that: the motor is fixed on the upper chassis, a guide rod is further arranged between the upper chassis and the lower chassis, one end of the guide rod is in transmission connection with an output shaft of the motor, a main guide groove is further formed in the lower chassis, and the other end of the guide rod penetrates through the main guide groove.
2. A swivel base according to claim 1, wherein: the lower chassis is also provided with a plurality of auxiliary guide grooves, the lower side of the upper chassis is convexly provided with a plurality of guide posts, and the guide posts are slidably arranged in the auxiliary guide grooves in a penetrating manner.
3. A swivel base according to claim 2, wherein: the main guide groove is a straight groove, the main guide groove is arranged along the radial direction of the lower chassis, the auxiliary guide grooves are arc-shaped grooves, the number of the auxiliary guide grooves is two, and the two auxiliary guide grooves are symmetrically arranged relative to the main guide groove.
4. A swivel base according to claim 1, wherein: the improved structure of the automobile chassis is characterized in that a wear-resistant rubber ring is further clamped between the upper chassis and the lower chassis, a plurality of fixing columns are convexly arranged on the upper side of the wear-resistant rubber ring, a plurality of fixing holes are formed in the upper chassis, the fixing columns are in inserting fit in the fixing holes, the upper side of the wear-resistant rubber ring is attached to the lower side of the upper chassis, a plurality of contact platforms are convexly arranged on the upper side of the lower chassis in the circumferential direction, and the top ends of the contact platforms are abutted to the lower side of the wear-resistant rubber ring.
5. A swivel base according to claim 1, wherein: the center of the lower chassis is provided with a switching hole, the center of the lower side of the upper chassis is convexly provided with a switching shaft, the upper chassis and the lower chassis are rotatably connected through the insertion and matching of the switching hole and the switching shaft, a bushing is further sleeved in the switching hole, and the bushing is located between the switching shaft and the switching hole.
6. A swivel base according to claim 5, wherein: the lower end face of the transfer shaft is provided with a threaded hole, a fixing plate is arranged below the lower chassis and right below the transfer hole, the fixing plate is provided with a screw hole, and the lower chassis and the upper chassis are screwed in the threaded hole through a screw penetrating through the screw hole to realize fixed connection.
7. A swivel base according to claim 1, wherein: the motor is fixed on the upper side of the upper chassis, a through hole is further formed in the upper chassis, and an output shaft of the motor penetrates through the through hole and extends into the lower side of the upper chassis.
8. A desk fan, characterized by: comprising a swivel base according to any of the claims 1-7, further comprising a fan head.
9. A desk fan as claimed in claim 8, wherein: the fan head is rotatably connected to the top ends of the supporting rods, a placing seat is fixedly arranged below the lower chassis, and a control circuit board is further arranged between the upper chassis and the supporting seat.
10. A desk fan as claimed in claim 9, wherein: the control circuit board is also provided with an adjusting knob, and the adjusting knob is exposed above the supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020443309.9U CN211820043U (en) | 2020-03-31 | 2020-03-31 | Rotating base and desk type fan with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020443309.9U CN211820043U (en) | 2020-03-31 | 2020-03-31 | Rotating base and desk type fan with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820043U true CN211820043U (en) | 2020-10-30 |
Family
ID=73148707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020443309.9U Active CN211820043U (en) | 2020-03-31 | 2020-03-31 | Rotating base and desk type fan with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820043U (en) |
-
2020
- 2020-03-31 CN CN202020443309.9U patent/CN211820043U/en active Active
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