CN216077634U - Tower fan with automatic lifting function - Google Patents
Tower fan with automatic lifting function Download PDFInfo
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- CN216077634U CN216077634U CN202121367205.5U CN202121367205U CN216077634U CN 216077634 U CN216077634 U CN 216077634U CN 202121367205 U CN202121367205 U CN 202121367205U CN 216077634 U CN216077634 U CN 216077634U
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- fan
- fixed
- automatic lifting
- tower
- guide rod
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- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 28
- 230000001360 synchronised effect Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
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Abstract
The utility model provides a tower fan with an automatic lifting function, which comprises a first fan shell, a second fan shell and a third fan shell which are sequentially sleeved, wherein automatic lifting mechanisms which are mutually matched in a transmission manner are arranged in the three fan shells, each automatic lifting mechanism comprises a mounting frame, a motor arranged on the mounting frame, a driving gear in transmission connection with the motor, a first driven gear meshed with the driving gear, a synchronous belt meshed with the first driven gear and a second driven gear meshed with the synchronous belt, the mounting frame is fixed in the second fan shell, a first rack bar and a third rack bar are respectively meshed at the vertical two sides of the synchronous belt, the first rack bar is fixed at the inner side of the first fan shell, the third rack bar is fixed at the inner side of the third fan shell, when the driving gear is driven by the motor to rotate in a first direction, the tower fan is contracted and reduced, when the motor drives the driving gear to rotate in a second direction opposite to the first direction, the tower fan extends and rises.
Description
Technical Field
The utility model relates to the technical field of daily necessities, in particular to a tower fan with an automatic lifting function.
Background
The existing tower fan on the market is generally high in height and large in occupied space, the shell of the tower fan is of an integrated structure, the height and the volume of the tower fan are fixed, the height and the volume of the tower fan cannot be adjusted, and the application range of the tower fan is limited. Moreover, because the tower fan belongs to seasonal product, inconvenient accomodating when not using.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a tower fan with an automatic lifting function, which can effectively solve the above problems.
The utility model provides a tower fan with an automatic lifting function, which comprises a first fan shell, a second fan shell and a third fan shell which are sequentially sleeved, wherein automatic lifting mechanisms which are mutually matched in a transmission manner are arranged in the three fan shells, each automatic lifting mechanism comprises a mounting frame, a motor arranged on the mounting frame, a driving gear in transmission connection with the motor, a first driven gear meshed with the driving gear, a synchronous belt meshed with the first driven gear and a second driven gear meshed with the synchronous belt, the mounting frame is fixed in the second fan shell, a first rack bar and a third rack bar are respectively meshed at the vertical two sides of the synchronous belt, the first rack bar is fixed at the inner side of the first fan shell, the third rack bar is fixed at the inner side of the third fan shell, when the driving gear is driven by the motor to rotate in a first direction, the tower fan is retracted and lowered, and when the motor drives the driving gear to rotate in a second direction opposite to the first direction, the tower fan is extended and raised.
In an embodiment, the upper end and the lower end of the mounting bracket are respectively provided with a first mounting groove and a second mounting groove, the first driven gear is mounted in the first mounting groove, the second driven gear is mounted in the second mounting groove, and the motor and the driving gear are respectively fixed on two sides of the mounting bracket and are close to the first driven gear.
In an embodiment, a first fixing frame is fixedly connected in the bottom of the first fan case, and the first rack bar is fixed on the first fixing frame, so that the first rack bar and the first fan case are relatively fixed.
In an embodiment, a second fixing frame is disposed in a bottom of the second fan case, and the mounting frame is fixed to the second fixing frame, so that the mounting frame is fixed in the second fan case.
In an embodiment, a third fixing frame is fixedly connected in the bottom of the third fan case, and the third rack bar is fixed on the third fixing frame, so that the third rack bar and the third fan case are relatively fixed.
In an embodiment, a first guide rod is fixed on the first fixing frame, a second guide rod is fixed on the second fixing frame, the first guide rod is sleeved with the second guide rod, a third guide rod is fixed on the third fixing frame, and the second guide rod is sleeved with the third guide rod.
In an embodiment, a clamping member is arranged at the top of the mounting frame, a clamping groove is arranged at the top of the second guide rod, and the clamping member and the clamping groove are clamped and matched with each other, so that the second guide rod and the mounting frame are fixedly connected.
In an embodiment, an abdicating notch for evading the clamping piece is arranged on the side edge of the third guide rod.
In one embodiment, when the motor drives the driving gear to rotate in the first direction, the second fan casing is retracted into the first fan casing, and the third fan casing is retracted into the second fan casing; when the motor drives the driving gear to rotate in the second direction, the second fan case extends out of the first fan case, and the third fan case extends out of the second fan case.
In an embodiment, the side walls of the first fan case, the second fan case and the third fan case are respectively provided with an air outlet, the bottom of the first fan case is provided with a fan wheel, and the side wall of the bottom of the first fan case is provided with an air inlet.
In summary, the tower fan with the automatic lifting function is provided, the tower fan is split into an upper layer, a middle layer and a lower layer, the driving motor, the synchronous gear and the synchronous belt are fixed on the middle layer, the upper layer and the lower layer are respectively fixed with a rack, the two racks are meshed with the middle synchronous belt, and the two racks are respectively located on two sides of the synchronous belt. When the tower fan needs to be used, when the motor rotates in one direction, the synchronous gear and the synchronous belt are driven to run, the synchronous belt drives the upper rack and the lower rack to move relatively, and then the three fan shells are driven to move relatively to expand, so that the tower fan is stretched and lifted; in a similar way, when the tower fan does not need to be used, the motor rotates towards the other direction, the shrinkage of the tower fan can be reduced, the height and the occupied area of the tower fan are reduced, and the tower fan is convenient to store by a user.
Drawings
Fig. 1 is a perspective view of a tower fan according to the present invention in an extended state.
Fig. 2 is an exploded view of the tower fan of fig. 1.
Figure 3 is another exploded view of the tower fan of figure 1.
Fig. 4 is a further exploded view of the tower fan of fig. 1.
Figure 5 is a perspective cross-sectional view of the tower fan of figure 1 at an angle.
Figure 6 is a perspective cross-sectional view of the tower fan of figure 1 at another angle.
Detailed Description
Before the embodiments are described in detail, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model is capable of embodiments in other forms of implementation. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.
As shown in fig. 1, the present invention provides a tower fan 10 with an automatic lifting function, the whole tower fan 10 is cylindrical, and includes a first fan casing 12, a second fan casing 14 and a third fan casing 16, which are sequentially sleeved, wherein the first fan casing 12 is located at the lowest layer, the second fan casing 14 is located at the middle layer, the third fan casing 16 is located at the uppermost layer, the diameter of the first fan casing 12 is greater than that of the second fan casing 14, and the diameter of the second fan casing 14 is greater than that of the third fan casing 16.
The three fan cases are internally provided with automatic lifting mechanisms which are mutually matched in a transmission way, and the automatic lifting mechanisms can drive the tower fan 10 to be switched between an extension state and a contraction state. In the extended state, the second fan case 14 extends out of the first fan case 12, and the third fan case 16 extends out of the second fan case 14; in the collapsed state, the second fan case 14 is collapsed within the first fan case 12, and the third fan case 16 is collapsed within the second fan case 14.
Referring to fig. 2 to 6, the automatic lifting mechanism includes a mounting frame 18, a motor 20 mounted on the mounting frame 18, a driving gear 22 drivingly connected to the motor 20, a first driven gear 24 engaged with the driving gear 22, a timing belt 26 engaged with the first driven gear 24, and a second driven gear 28 engaged with the timing belt 26, wherein the first driven gear 24 and the second driven gear 28 are located at two ends of the timing belt 26. Wherein, the motor 20 can be a stepping motor, and after starting, the motor 20 can rotate forward and backward to drive the tower fan 10 to rise and fall.
Further, the mounting frame 18 is fixed in the second fan case 14, the first rack bar 30 and the third rack bar 32 are respectively engaged with two vertical sides of the synchronous belt 26, the first rack bar 30 is fixed inside the first fan case 12, the third rack bar 32 is fixed inside the third fan case 16, when the motor 20 drives the driving gear 22 to rotate in a first direction, for example, clockwise, the first driven gear 24, the second driven gear 28, the synchronous belt 26, the first rack bar 30 and the third rack bar 32 drive the first fan case 12 to move upward relative to the second fan case 14, and the third fan case 16 moves downward relative to the second fan case 14, because the first fan case 12 is fixed on the ground, the second fan case 14 also moves downward relative to the first fan case 12, so that the tower fan 10 is retracted and lowered. When the motor 20 drives the driving gear 22 to rotate in a second direction opposite to the first direction, for example, counterclockwise, the first fan case 12 is driven to move downward relative to the second fan case 14 by the first driven gear 24, the second driven gear 28, the timing belt 26, the first rack bar 30 and the third rack bar 32, and the third fan case 16 moves upward relative to the second fan case 14, because the first fan case 12 is fixed on the ground, that is, the second fan case 14 moves upward relative to the first fan case 12, and the third fan case 16 moves upward relative to the second fan case 14, so that the tower fan 10 is extended and raised. Specifically, in order to prevent that third fan case 16 from upwards deviating from second fan case 14, second fan case 14 upwards deviates from first fan case 12, the bottom outer fringe of third fan case 16, the bottom outer fringe of second fan case 14 still is equipped with the boss protruding respectively, the top inner fringe of first fan case 12, the top inner fringe of second fan case 14 is equipped with protruding ring with boss complex protruding respectively, when making third fan case 16 upwards move to the top, when second fan case 14 upwards moves to the top, the cooperation is held to boss and protruding ring card, thereby prevent that third fan case 16 upwards deviates from second fan case 14, second fan case 14 upwards deviates from first fan case 12.
In the illustrated embodiment, the upper and lower ends of the mounting block 18 are respectively provided with a first mounting groove 34 and a second mounting groove 36, the first driven gear 24 is mounted in the first mounting groove 34, the second driven gear 28 is mounted in the second mounting groove 36, and the motor 20 and the driving gear 22 are respectively fixed to both sides of the mounting block 18 and disposed adjacent to the first driven gear 24. Preferably, a mounting hole is formed in the side of the mounting bracket 18 adjacent to the first driven gear 24, the motor 20 is fixedly mounted in the mounting hole, the motor 20 is provided with a driving shaft 38, and the driving shaft 38 is in driving connection with the driving gear 22.
Furthermore, a first guide rod 46 is fixed on the first fixing frame 40, a second guide rod 48 is fixed on the second fixing frame 42, the first guide rod 46 and the second guide rod 48 are sleeved and connected, a third guide rod 50 is fixed on the third fixing frame 44, and the second guide rod 48 and the third guide rod 50 are sleeved and connected. The first guide rod 46 is sleeved in the second guide rod 48, the second guide rod 48 is sleeved in the third guide rod 50, and when the first rack bar 30 and the third rack bar 32 respectively move up and down relative to the synchronous belt 26 and drive the first fan casing 12 and the third fan casing 16 to move up and down relative to the second fan casing 14, the first guide rod 46 and the third guide rod 50 are respectively sleeved inside and outside the second guide rod 48 and move up and down relative to the second guide rod 48, so that a guiding effect can be achieved, and the movement is stable.
Preferably, the top of the mounting frame 18 is provided with a retaining member 52, the top of the second guide rod 48 is provided with a retaining groove (not shown), and the retaining member 52 is in retaining fit with the retaining groove, so that the second guide rod 48 is fixedly connected with the mounting frame 18. The side edge of the third guide rod 50 is provided with an abdicating notch 54 for evading the holding piece 52, so that when the third guide rod 50 slides up and down relative to the second guide rod 48, the holding piece 52 can not be held to obstruct the third guide rod 50.
In the illustrated embodiment, air outlets (not shown) are respectively disposed on the side walls of the first fan case 12, the second fan case 14 and the third fan case 16, a fan wheel (not shown) is disposed in the bottom of the first fan case 12, and an air inlet (not shown) is disposed on the side wall of the bottom of the first fan case 12. Still be equipped with circuit board and power in the first fan shell of tower fan 10, power, fan wheel and motor 20 are connected with the circuit board electricity respectively, and the fan wheel operation is blown out from the air outlet after inhaling the air and producing wind from the air intake, and the power accessible wire connects outside electric wire netting for tower fan 10 provides electric power. A button electrically connected with the circuit board is also arranged on the fan shell of the tower fan 10, and the automatic lifting of the tower fan 10 can be controlled through the button; or, a remote controller is arranged, correspondingly, a remote control circuit is arranged on the circuit board, and the remote controller is in signal connection with the control circuit, so that a user can control the tower fan 10 to automatically lift through the remote controller.
In summary, the tower fan with the automatic lifting function is provided, the tower fan is split into an upper layer, a middle layer and a lower layer, the driving motor, the synchronous gear and the synchronous belt are fixed on the middle layer, the upper layer and the lower layer are respectively fixed with a rack, the two racks are meshed with the middle synchronous belt, and the two racks are respectively located on two sides of the synchronous belt. When the tower fan needs to be used, when the motor rotates in one direction, the synchronous gear and the synchronous belt are driven to run, the synchronous belt drives the upper rack and the lower rack to move relatively, and then the three fan shells are driven to move relatively to expand, so that the tower fan is stretched and lifted; in a similar way, when the tower fan does not need to be used, the motor rotates towards the other direction, the shrinkage of the tower fan can be reduced, the height and the occupied area of the tower fan are reduced, and the tower fan is convenient to store by a user.
The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the utility model is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A tower fan with an automatic lifting function is characterized by comprising a first fan shell, a second fan shell and a third fan shell which are sequentially sleeved, wherein automatic lifting mechanisms matched with each other in a transmission mode are arranged in the three fan shells, each automatic lifting mechanism comprises a mounting frame, a motor, a driving gear, a first driven gear, a synchronous belt and a second driven gear, the motor is mounted on the mounting frame, the driving gear is in transmission connection with the motor, the first driven gear is meshed with the driving gear, the synchronous belt is meshed with the first driven gear, the second driven gear is meshed with the synchronous belt, the mounting frame is fixed in the second fan shell, a first toothed bar and a third toothed bar are respectively meshed with the two vertical sides of the synchronous belt, the first toothed bar is fixed on the inner side of the first fan shell, the third toothed bar is fixed on the inner side of the third fan shell, when the driving gear is driven by the motor to rotate in a first direction, the tower fan is retracted and lowered, and when the motor drives the driving gear to rotate in a second direction opposite to the first direction, the tower fan is extended and raised.
2. The tower fan with automatic lifting function as claimed in claim 1, wherein the upper and lower ends of the mounting frame are respectively provided with a first mounting groove and a second mounting groove, the first driven gear is mounted in the first mounting groove, the second driven gear is mounted in the second mounting groove, and the motor and the driving gear are respectively fixed to both sides of the mounting frame and disposed close to the first driven gear.
3. The tower fan with automatic lifting function as claimed in claim 2, wherein a first fixing frame is fixedly connected in the bottom of the first fan casing, and the first rack bar is fixed on the first fixing frame, so that the first rack bar and the first fan casing are relatively fixed.
4. The tower fan with automatic lifting function according to claim 3, wherein a second fixing frame is provided in the bottom of the second fan case, and the mounting frame is fixed on the second fixing frame so that the mounting frame is fixed in the second fan case.
5. The tower fan with automatic lifting function as claimed in claim 4, wherein a third fixing frame is fixed in the bottom of the third fan casing, and the third rack bar is fixed on the third fixing frame, so that the third rack bar and the third fan casing are relatively fixed.
6. The tower fan with automatic lifting function as claimed in claim 5, wherein a first guide rod is fixed on the first fixing frame, a second guide rod is fixed on the second fixing frame, the first guide rod and the second guide rod are sleeved and connected, a third guide rod is fixed on the third fixing frame, and the second guide rod and the third guide rod are sleeved and connected.
7. The tower fan with automatic lifting function as claimed in claim 6, wherein the top of the mounting frame is provided with a retaining member, the top of the second guide rod is provided with a slot, and the retaining member is in retaining fit with the slot, so that the second guide rod is fixedly connected with the mounting frame.
8. The tower fan with automatic lifting function as claimed in claim 7, wherein the third guide rod has a relief notch at a side edge thereof for avoiding the holding member.
9. The tower fan with automatic lifting function according to any one of claims 1 to 8, wherein when the motor drives the driving gear to rotate in the first direction, the second fan case is retracted into the first fan case, and the third fan case is retracted into the second fan case; when the motor drives the driving gear to rotate in the second direction, the second fan case extends out of the first fan case, and the third fan case extends out of the second fan case.
10. The tower fan with automatic lifting function according to claim 9, wherein the first fan case, the second fan case and the third fan case are respectively provided with air outlets on the side walls, the first fan case is provided with fan wheels at the bottom, and the first fan case is provided with air inlets on the side wall at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367205.5U CN216077634U (en) | 2021-06-17 | 2021-06-17 | Tower fan with automatic lifting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367205.5U CN216077634U (en) | 2021-06-17 | 2021-06-17 | Tower fan with automatic lifting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077634U true CN216077634U (en) | 2022-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121367205.5U Active CN216077634U (en) | 2021-06-17 | 2021-06-17 | Tower fan with automatic lifting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077634U (en) |
-
2021
- 2021-06-17 CN CN202121367205.5U patent/CN216077634U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518131, Block C, 1601, Zhantao Technology Building, Intersection of Minzhi Avenue and Gongye East Road, Xinniu Community, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Jianjun Technology Co.,Ltd. Address before: 1708, block C, Zhantao technology building, the intersection of Minzhi Avenue and Gongye East Road, Xinniu community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN RANVOO TECHNOLOGY CO.,LTD. |