CN210461120U - Hand-operated and electric dual-purpose fan - Google Patents
Hand-operated and electric dual-purpose fan Download PDFInfo
- Publication number
- CN210461120U CN210461120U CN201921099259.0U CN201921099259U CN210461120U CN 210461120 U CN210461120 U CN 210461120U CN 201921099259 U CN201921099259 U CN 201921099259U CN 210461120 U CN210461120 U CN 210461120U
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- chain wheel
- fixed
- output shaft
- fan
- gearbox
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Abstract
The utility model belongs to the technical field of electric fans, and discloses a hand-operated and electric dual-purpose fan, wherein a rotating fan is embedded in a shell, and a gearbox is fixed on the side surface of the shell through a bolt; a side plate is arranged on the right side surface of the gearbox, and a through hole is formed in the rear end of the side plate; the lower end of the shell is provided with a base, the base is fixed with a motor through a bolt, and an output shaft of the motor is clamped with the rotating fan; a driven chain wheel is clamped on the motor output shaft at the section of the transmission case, a driving chain wheel is fixed in the transmission case through a bearing, a fixed chain wheel is arranged at the lower end of the driving chain wheel, the transmission case is provided with a chute, a tensioning chain wheel is sleeved in the chute, and the driving chain wheel, the driven chain wheel, the tensioning chain wheel and the fixed chain wheel are connected through a chain; the output shaft of the tension chain wheel penetrates through a rectangular groove formed in the gearbox. The utility model has the advantages that the speed changing structure is arranged, so that the labor can be saved, and the working efficiency is improved; through manual and electric combination, different power failure emergencies can be dealt with.
Description
Technical Field
The utility model belongs to the technical field of electric fan, especially, relate to a hand electronic dual-purpose fan.
Background
At present, with the continuous progress of science and technology, the living standard of people is higher and higher. In some rural areas, people need to use a blower to accelerate the combustion of wood when cooking, but the blower needs to be operated manually, which is inconvenient, not only affects the cooking efficiency, but also often cannot reach the temperature required when cooking because of too small wind power. Some problems have been solved to electric fan's the popularization now, but when the voltage is not enough, the fan can't work, has also caused a series of troubles like this, but this some problems will be solved to a can manual and electronic fan. However, when the existing hand-operated and electric dual-purpose fan is manually shaken, the speed cannot be adjusted, a large amount of manpower is wasted, and the working efficiency is reduced; meanwhile, the conventional hand-operated and electric dual-purpose fan support is fixed and cannot be adjusted according to the working requirement of the height of the air outlet, so that the wide applicability of the whole device is reduced.
In summary, the problems of the prior art are as follows:
(1) the existing hand-operated and electric dual-purpose fan cannot adjust the speed when being manually shaken, wastes a large amount of manpower and reduces the working efficiency.
(2) The existing hand-operated and electric dual-purpose fan support is fixed, can not be adjusted according to the working requirement of the height of an air outlet, and reduces the wide applicability of the whole device.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a hand electronic dual-purpose fan.
The utility model discloses a realize like this, a hand electronic dual-purpose fan is provided with:
a housing;
a rotating fan is embedded in the shell, and a gearbox is fixed on the side surface of the shell through a bolt; a side plate is arranged on the right side surface of the gearbox, and a through hole is formed in the rear end of the side plate;
the lower end of the shell is provided with a base, the base is fixed with a motor through a bolt, and an output shaft of the motor is clamped with the rotating fan;
a driven chain wheel is clamped on the motor output shaft at the section of the transmission case, a driving chain wheel is fixed in the transmission case through a bearing, a fixed chain wheel is arranged at the lower end of the driving chain wheel, the transmission case is provided with a chute, a tensioning chain wheel is sleeved in the chute, and the driving chain wheel, the driven chain wheel, the tensioning chain wheel and the fixed chain wheel are connected through a chain; the output shaft of the tension sprocket penetrates through a rectangular groove formed in the gearbox;
the output shaft end of the driving sprocket is provided with a groove, the inserted link is provided with a convex block, and the convex block is clamped in the groove; the inserted bar is welded with the rocking handle.
When manual rotation is needed, the inserted link is inserted into the groove on the driving chain wheel to shake; the driving chain wheel drives the driven chain wheel to rotate through the chain, so that the output shaft of the motor drives the rotating fan to rotate; when the rotating speed of the rotating fan needs to be adjusted, the gear turntable on the driven chain wheel is changed by shifting the output shaft of the tensioning chain wheel, so that the gear transmission ratio is changed, and the rotating speed is improved; when the electric motor is needed to rotate, the motor is connected with a power supply, and the output shaft of the motor drives the driven chain wheel to rotate, so that air outlet is realized.
The utility model has the advantages that the speed changing structure is arranged, so that the labor can be saved, and the working efficiency is improved; through manual and electric combination, different power failure emergencies can be dealt with.
Furthermore, an air outlet is formed in the upper end of the shell, an air inlet is formed in the side face of the shell, and steel wire meshes are welded on the air outlet and the air inlet.
The steel wire meshes are welded at the air outlet and the air inlet and used for blocking obstacles in the air, the centrifugal impeller and the motor are protected, and the safety performance of the device is improved.
Further, the base is fixed on the supporting seat through a bolt, and a telescopic rod is fixed at the lower end of the supporting seat through a bolt; the telescopic link is provided with rotary rod and sleeve, is provided with rotatory screw thread on the rotary rod, and the rotary rod connects in the sleeve soon, and rotary rod and sleeve pass through fixing bolt relatively fixed.
When the height of the air outlet needs to be changed, the rotating rod is screwed out of the sleeve for a certain length, and the fixing bolt is used for carrying out relative fixing. Through being provided with the telescopic link, make the fan can carry out the adjustment of height according to the work needs.
Further, the lower end of the sleeve is welded on a support frame, and a balancing weight is fixed in the middle of the support frame through a bolt; the support frame is provided with three bracing pieces, and the welding of bracing piece lower extreme has anti-skidding bump.
The counterweight block is arranged at the lower end of the support frame to provide the gravity center for the support frame, so that the support frame is prevented from moving due to vibration; the anti-skidding salient points are welded at the lower end of the supporting rod, so that the friction force between the supporting rod and the ground is increased.
Drawings
Fig. 1 is a schematic structural view of a hand-operated and electric dual-purpose fan provided by the embodiment of the present invention.
Fig. 2 is a schematic view of an air inlet structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a transmission provided by an embodiment of the present invention.
Fig. 4 is a schematic view of a structure of a support frame for a hand-operated and electric dual-purpose blower provided by the embodiment of the present invention.
Fig. 5 is a schematic view of an end portion structure of an output shaft of a driven sprocket according to an embodiment of the present invention.
Fig. 6 is a schematic view of a telescopic rod structure provided by the embodiment of the present invention.
In the figure: 1. an air outlet; 2. a housing; 3. a base; 4. a gearbox; 5. inserting a rod; 6. a rocking handle; 7. a motor; 8. a side plate; 9. an air inlet; 10. a drive sprocket; 11. a chain; 12. a driven sprocket; 13. a tension sprocket; 14. fixing the chain wheel; 15. a supporting seat; 16. a telescopic rod; 17. a balancing weight; 18. a support frame.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
In order to solve the above technical problem, the technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
A rotating fan is embedded in the shell 2, and a gear box 4 is fixed on the side surface of the shell 2 through a bolt; the right side of the gearbox 4 is provided with a side plate 8, and the rear end of the side plate 8 is provided with a through hole.
The lower extreme of shell 2 is provided with base 3, and base 3 has motor 7 through the bolt fastening, and motor 7 output shaft and rotatory fan joint.
An output shaft of the motor 7 is positioned at the section of the gearbox 4 and is clamped with a driven chain wheel 12, a driving chain wheel 10 is fixed in the gearbox 4 through a bearing, a fixed chain wheel 14 is arranged at the lower end of the driving chain wheel 10, the gearbox 4 is provided with a sliding chute, a tension chain wheel 13 is sleeved in the sliding chute, and the driving chain wheel 10, the driven chain wheel 12, the tension chain wheel 13 and the fixed chain wheel 14 are connected through a chain 11; an output shaft of the tension chain wheel 13 penetrates through a rectangular groove formed in the gearbox 4.
The output shaft end of the driving sprocket 10 is provided with a groove, the inserted link 5 is provided with a convex block, and the convex block is clamped in the groove; the inserted bar 5 is welded with the rocking handle 6.
When manual rotation is needed, the inserted link is inserted into the groove on the driving sprocket 10 to shake; the driving chain wheel 14 drives the driven chain wheel 12 to rotate through the chain 11, so that the output shaft of the motor drives the rotating fan to rotate; when the rotating speed of the rotating fan needs to be adjusted, the output shaft of the tension chain wheel 13 is pulled, the gear turntable on the driven chain wheel 12 is changed, the gear transmission ratio is further changed, and the rotating speed is improved (similar to the speed change principle of a variable speed vehicle); when the electric rotation is needed, the motor 7 is powered on, and the output shaft of the motor 7 drives the driven chain wheel 12 to rotate, so that air outlet is realized.
The utility model has the advantages that the speed changing structure is arranged, so that the labor can be saved, and the working efficiency is improved; through manual and electric combination, different power failure emergencies can be dealt with.
Example 2
The upper end of the shell 2 is provided with an air outlet 1, the side surface of the shell 2 is provided with an air inlet 9, and the air outlet 1 and the air inlet 9 are welded with a steel wire mesh.
The steel wire meshes are welded on the air outlet 1 and the air inlet 9 and used for blocking obstacles in the air, the centrifugal impeller and the motor are protected, and the safety performance of the device is improved.
Example 3
The base 3 is fixed on the supporting seat 15 through bolts; the lower extreme of supporting seat 15 has telescopic link 16 through the bolt fastening, and telescopic link 16 is provided with rotary rod and sleeve, is provided with rotatory screw thread on the rotary rod, and the rotary rod connects in the sleeve soon, and rotary rod and sleeve pass through fixing bolt relatively fixed.
When the height of the air outlet needs to be changed, the rotating rod is screwed out of the sleeve for a certain length, and the fixing bolt is used for carrying out relative fixing. Through being provided with telescopic link 16, make the fan can carry out the adjustment of height according to the work needs.
Example 4
The lower end of the sleeve is welded on a support frame 18, and a balancing weight 17 is fixed in the middle of the support frame 18 through a bolt; the support frame 18 is provided with three support rods, and anti-skidding convex points are welded at the lower ends of the support rods.
The lower end of the support frame 18 is provided with the balancing weight 17, so that the gravity center of the support frame is provided, and the support frame is prevented from moving due to vibration; the anti-skidding salient points are welded at the lower end of the supporting rod, so that the friction force between the supporting rod and the ground is increased.
The utility model discloses a theory of operation does:
when the height of air outlet was changed as required, with the rotary rod certain length of the sleeve of back swing to it carries out relatively fixed to use fixing bolt. Through being provided with telescopic link 16, make the fan can carry out the adjustment of height according to the work needs.
After the adjustment is finished, when manual rotation is needed, the inserted link is inserted into the groove on the driving chain wheel 10 to swing; the driving chain wheel 14 drives the driven chain wheel 12 to rotate through the chain 11, so that the output shaft of the motor drives the rotating fan to rotate; when the rotating speed of the rotating fan needs to be adjusted, the output shaft of the tension chain wheel 13 is pulled, the gear turntable on the driven chain wheel 12 is changed, the gear transmission ratio is further changed, and the rotating speed is improved (similar to the speed change principle of a variable speed vehicle); when the electric rotation is needed, the motor 7 is powered on, and the output shaft of the motor 7 drives the driven chain wheel 12 to rotate, so that air outlet is realized.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a hand electronic dual-purpose fan, its characterized in that, hand electronic dual-purpose fan is provided with:
a housing;
a rotating fan is embedded in the shell, and a gearbox is fixed on the side surface of the shell through a bolt; a side plate is arranged on the right side surface of the gearbox, and a through hole is formed in the rear end of the side plate;
the lower end of the shell is provided with a base, the base is fixed with a motor through a bolt, and an output shaft of the motor is clamped with the rotating fan;
a driven chain wheel is clamped on the motor output shaft at the section of the transmission case, a driving chain wheel is fixed in the transmission case through a bearing, a fixed chain wheel is arranged at the lower end of the driving chain wheel, the transmission case is provided with a chute, a tensioning chain wheel is sleeved in the chute, and the driving chain wheel, the driven chain wheel, the tensioning chain wheel and the fixed chain wheel are connected through a chain; the output shaft of the tension sprocket penetrates through a rectangular groove formed in the gearbox;
the output shaft end of the driving sprocket is provided with a groove, the inserted link is provided with a convex block, and the convex block is clamped in the groove; the inserted bar is welded with the rocking handle.
2. The hand-operated and electric dual-purpose fan as claimed in claim 1, wherein the upper end of the housing is provided with an air outlet, the side surface of the housing is provided with an air inlet, and the air outlet and the air inlet are welded with steel wire meshes.
3. The hand-operated and electric dual-purpose fan as claimed in claim 1, wherein the base is fixed on the support base by bolts, and the lower end of the support base is fixed with a telescopic rod by bolts;
the telescopic link is provided with rotary rod and sleeve, is provided with rotatory screw thread on the rotary rod, and the rotary rod connects in the sleeve soon, and rotary rod and sleeve pass through fixing bolt relatively fixed.
4. The hand-operated and electric dual-purpose fan as claimed in claim 3, wherein the lower end of the sleeve is welded to the support frame, and a balancing weight is fixed in the middle of the support frame through a bolt; the support frame is provided with three bracing pieces, and the welding of bracing piece lower extreme has anti-skidding bump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099259.0U CN210461120U (en) | 2019-07-14 | 2019-07-14 | Hand-operated and electric dual-purpose fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921099259.0U CN210461120U (en) | 2019-07-14 | 2019-07-14 | Hand-operated and electric dual-purpose fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461120U true CN210461120U (en) | 2020-05-05 |
Family
ID=70445257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921099259.0U Expired - Fee Related CN210461120U (en) | 2019-07-14 | 2019-07-14 | Hand-operated and electric dual-purpose fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461120U (en) |
-
2019
- 2019-07-14 CN CN201921099259.0U patent/CN210461120U/en not_active Expired - Fee Related
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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: 20200505 Termination date: 20210714 |