CN209908809U - Fan with stably connected fan blades - Google Patents
Fan with stably connected fan blades Download PDFInfo
- Publication number
- CN209908809U CN209908809U CN201920559802.4U CN201920559802U CN209908809U CN 209908809 U CN209908809 U CN 209908809U CN 201920559802 U CN201920559802 U CN 201920559802U CN 209908809 U CN209908809 U CN 209908809U
- Authority
- CN
- China
- Prior art keywords
- fan
- driving rod
- motor
- wall
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims description 11
- 241000883990 Flabellum Species 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 206010019345 Heat stroke Diseases 0.000 description 1
- 208000007180 Sunstroke Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan with stably connected fan blades, which comprises a front cover shell, a rear cover shell, fan blades and a motor, wherein the inner wall of the bottom of the rear cover shell is fixedly connected with the motor, the output end of the motor is fixedly connected with a driving rod, the outer wall of the driving rod is fixedly connected with a limiting block, one end of the driving rod, which is far away from the motor, is provided with the fan blades, the inner wall of each fan blade is provided with a limiting groove corresponding to the limiting block, the upper end of the driving rod is provided with a screw thread, one end of the driving rod is connected with a nut, the outer wall of the nut is fixedly sleeved with a ratchet wheel, the height of the ratchet wheel is less than that of the nut, the upper surface of each fan blade is rotatably connected with a pawl, one end of, the practicability is strong, and the popularization is facilitated.
Description
Technical Field
The utility model relates to a gasket fan field, concretely relates to fan that flabellum is connected firmly.
Background
The fan is a device which is driven by electricity to generate air flow, the fan arranged in the fan is electrified and then rotated into natural wind to achieve the effect of cooling, and people can work and blow while working outdoors in hot summer to prevent sunstroke.
Most of the existing portable fan blades are directly fixed on a rotating shaft through nuts, the fan blades are large and small in number, although the fan is convenient to mount, under the long-term working state, due to the external factors of shaking and abrasion, the connection of the fan blades can be loosened, and the larger blades also have the hidden problems of large noise and large vibration.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a fan with stable fan blade connection, which comprises a front cover shell, a rear cover shell, fan blades and a motor, wherein the motor is fixedly connected with the inner wall at the bottom of the rear cover shell, the output end of the motor is fixedly connected with a driving rod, the outer wall of the driving rod is fixedly connected with a limiting block, one end of the driving rod far away from the motor is provided with the fan blades, the inner wall of the fan blades is provided with a limiting groove corresponding to the limiting block, the upper end of the driving rod is provided with a thread, the driving rod is provided with a threaded end in threaded connection with a nut, the outer wall of the nut is fixedly sleeved with a ratchet wheel, the ratchet wheel height is less than the nut height, the upper surface of the fan blades is rotatably connected with a pawl through a, the other end of the reed is contacted with the outer wall of the pawl.
Preferably, the front cover shell and the rear cover shell are both provided with threaded holes, and the front cover shell and the rear cover shell are fixedly connected through bolts.
Preferably, a gasket is arranged at the joint of the nut and the driving rod.
Preferably, a filter screen is arranged outside the motor.
Preferably, the number of the fan blades is nine, and the blades are designed to be arc-shaped narrow edges.
Preferably, the limiting blocks and the limiting grooves are both of inner hexagonal structures.
The utility model has the advantages that:
1. because the output end of the motor is fixedly connected with the driving rod, when the fan is installed, the fan sheet is directly sleeved on the outer wall of the driving rod, the limiting block on the driving rod is clamped in the limiting groove of the fan sheet, the upper end of the driving rod is provided with threads, one end of the driving rod provided with the threads is in threaded connection with the nut, the fan sheet and the driving rod are fixed together through the nut after the fan sheet and the driving rod are connected, the installation method of the fan sheet and the motor is simple, the processing efficiency is high, and the production.
2. The ratchet wheel is fixed on the outer side of the nut, so that the ratchet wheel rotates along with the rotation of the nut when the nut is fastened, the ratchet wheel stirs the pawl, the pawl compresses the reed, when the ratchet wheel rotates to a proper position, the reed gives a returning force to the pawl, the pawl is meshed with the ratchet wheel, the problem of nut rotation is effectively solved, the stability of the whole fan blade is greatly enhanced, and the use safety is improved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a partial schematic view of the present invention.
In the figure: 1. a front cover shell; 2. a rear housing; 3. a fan blade; 4. a motor; 5. a drive rod; 6. a limiting block; 7. a limiting groove; 8. a nut; 9. a ratchet wheel; 10. a pawl; 11. a reed.
Detailed Description
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The fan with the fan blades stably connected as shown in fig. 1-3 comprises a front cover shell 1, a rear cover shell 2, fan blades 3 and a motor 4, wherein the motor 4 is fixedly connected to the inner wall of the bottom of the rear cover shell 2, the output end of the motor 4 is fixedly connected with a driving rod 5, the outer wall of the driving rod 5 is fixedly connected with a limiting block 6, one end of the driving rod 5, which is far away from the motor 4, is provided with the fan blades 3, the inner wall of the fan blades 3 is provided with a limiting groove 7 corresponding to the limiting block 6, when the fan blades are installed, the fan blades 3 are directly sleeved on the outer wall of the driving rod 5, the limiting block 6 on the driving rod 5 is clamped inside the limiting groove 7 of the fan blades 3, the upper end of the driving rod 5 is provided with threads, one end of the driving rod 5 is in threaded connection with a nut 8, after, the outer wall of the nut 8 is fixedly sleeved with a ratchet wheel 9, the height of the ratchet wheel 9 is smaller than that of the nut 8, the upper surface of the fan piece 3 is rotatably connected with a pawl 10 through a rotating shaft, one end of the pawl 10 is meshed with the ratchet wheel 9, a reed 11 is arranged on the outer side of the pawl 10, one end of the reed 11 is fixedly connected with the upper surface of the fan piece 3, the other end of the reed 11 is contacted with the outer wall of the pawl 10, the ratchet wheel 9 rotates along with the rotation of the nut 8 when the nut 8 is fastened, the pawl 10 is shifted by the ratchet wheel 9, so that the pawl 10 compresses the reed 11, and when the ratchet wheel 9 rotates to a proper position, the reed 11 gives a return force to the pawl 10.
The front housing 1 and the rear housing 2 are both provided with screw holes, and the front housing 1 and the rear housing 2 are fixedly connected through bolts, so that the safety of the fan in a working state is ensured.
And a gasket is arranged at the joint of the nut 8 and the driving rod 5, so that friction is increased, and part abrasion is reduced.
The motor 4 outside is equipped with the filter screen, prevents that the foreign matter from getting into inside the motor 4.
Nine blades of the fan blade 3 are designed to be arc-shaped narrow edges, so that noise can be reduced, and air volume can be increased.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (6)
1. The utility model provides a fan that flabellum is connected firmly, includes preceding housing (1), back housing (2), fan piece (3) and motor (4), its characterized in that: the rear cover shell (2) bottom inner wall is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with a driving rod (5), the outer wall of the driving rod (5) is fixedly connected with a limiting block (6), one end of the driving rod (5) far away from the motor (4) is provided with a fan piece (3), the inner wall of the fan piece (3) is provided with a limiting groove (7) corresponding to the limiting block (6), the upper end of the driving rod (5) is provided with a thread, one end of the driving rod (5) provided with the thread is connected with a nut (8), the outer wall of the nut (8) is fixedly sleeved with a ratchet (9), the height of the ratchet (9) is smaller than that of the nut (8), the upper surface of the fan piece (3) is rotatably connected with a pawl (10) through a rotating shaft, one end of the pawl (10) is, one end of the reed (11) is fixedly connected with the upper surface of the fan blade (3), and the other end of the reed (11) is in contact with the outer wall of the pawl (10).
2. The fan of claim 1, wherein the fan comprises: the front housing (1) and the rear housing (2) are both provided with screw holes, and the front housing (1) is fixedly connected with the rear housing (2) through bolts.
3. The fan of claim 1, wherein the fan comprises: and a gasket is arranged at the joint of the nut (8) and the driving rod (5).
4. The fan of claim 1, wherein the fan comprises: and a filter screen is arranged on the outer side of the motor (4).
5. The fan of claim 1, wherein the fan comprises: nine blades of the fan blade (3) are designed to be arc-shaped narrow edges.
6. The fan of claim 1, wherein the fan comprises: the limiting blocks (6) and the limiting grooves (7) are both of inner hexagonal structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559802.4U CN209908809U (en) | 2019-04-23 | 2019-04-23 | Fan with stably connected fan blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920559802.4U CN209908809U (en) | 2019-04-23 | 2019-04-23 | Fan with stably connected fan blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209908809U true CN209908809U (en) | 2020-01-07 |
Family
ID=69045087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920559802.4U Expired - Fee Related CN209908809U (en) | 2019-04-23 | 2019-04-23 | Fan with stably connected fan blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209908809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524067A (en) * | 2020-12-18 | 2021-03-19 | 浙江巴尔电器科技有限公司 | Household ventilation fan and mounting method thereof |
-
2019
- 2019-04-23 CN CN201920559802.4U patent/CN209908809U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524067A (en) * | 2020-12-18 | 2021-03-19 | 浙江巴尔电器科技有限公司 | Household ventilation fan and mounting method thereof |
| CN112524067B (en) * | 2020-12-18 | 2022-04-29 | 浙江巴尔电器科技有限公司 | Household ventilation fan and mounting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201513446U (en) | Manual mounting bolt | |
| CN213339470U (en) | Outdoor LED display screen heat abstractor | |
| CN209908809U (en) | Fan with stably connected fan blades | |
| CN215832106U (en) | Ventilation energy-saving device of green building | |
| CN203214363U (en) | 360-degree rotation multi-head electric fan | |
| CN2890396Y (en) | Micro-resistance high-efficiency low wind-velocity wind mill with circular fan blade | |
| CN213151971U (en) | Solar cell panel with protection function | |
| CN220417538U (en) | Electronic factory building ventilation equipment | |
| CN201255125Y (en) | Miniature fan | |
| CN209704761U (en) | A kind of automobile wind-electric conversion equipment | |
| CN216087409U (en) | Intelligent explosion-proof camera | |
| CN214092149U (en) | Power simulation device for wind energy spectrum | |
| CN211288165U (en) | Radiation protection fan convenient to clean flabellum | |
| CN216554154U (en) | High-performance air filter element device | |
| CN213375640U (en) | Solar photovoltaic power generation and electric precipitation device | |
| CN211274900U (en) | Simple mashing device | |
| CN218816777U (en) | Mounting structure of anemoscope for wind power generation | |
| CN218850529U (en) | Protective motor | |
| CN209943201U (en) | Improved generation coarse dust storehouse sack cleaner fan air intake air regulation structure | |
| CN213870387U (en) | Wall type axial flow fan | |
| CN212155211U (en) | High-efficiency backward-tilting centrifugal fan | |
| CN220168075U (en) | Fan bracket for wind power generation | |
| CN216044557U (en) | Improved circulating fan | |
| CN214887469U (en) | Wind power generation system | |
| CN220748448U (en) | Improved wind wheel for wind power generation |
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: 20200107 |