CN214742174U - Double-blade fan structure - Google Patents
Double-blade fan structure Download PDFInfo
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- CN214742174U CN214742174U CN202022346372.3U CN202022346372U CN214742174U CN 214742174 U CN214742174 U CN 214742174U CN 202022346372 U CN202022346372 U CN 202022346372U CN 214742174 U CN214742174 U CN 214742174U
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Abstract
The utility model discloses a double-blade fan structure, which comprises a housin, motor and blade subassembly, the blade subassembly includes the rotor plate, first blade and second blade, the rotor plate rotates with the casing to be connected, the output shaft of motor extends to in the casing with connecting plate fixed connection, the first sliding hole of a plurality of and second sliding hole have been seted up respectively on the connecting plate surface, first sliding hole and second sliding hole all encircle the connecting plate centre of a circle and set up, and the second sliding hole sets up in first sliding hole periphery, first blade and first sliding hole sliding connection, second blade and second slider sliding connection, first blade both sides all are equipped with first fixed knot and construct, the second blade both sides all are equipped with the second fixed knot and construct, first fixed knot constructs and second fixed knot constructs and is fixed in on the connecting plate with first blade and second blade respectively. The utility model provides a double-blade fan structure can carry out the interconversion between the blade to the amount of wind size of adjustment fan.
Description
Technical Field
The utility model relates to a ventilation equipment technical field especially relates to a double-blade fan structure.
Background
As a more ordinary mechanical equipment, the fan has been improved by a wide margin along with the development of social science and technology, and the use amount of fan has further been stimulated in the development of domestic industry, and the use of fan receives user's attention more and more.
In the use process of the fan, the blades with different sizes directly influence the use effect of the fan, and the air volume of the fan is mainly closely related to the sizes of the blades. The requirements for the air volume of the fan are different in different industrial application occasions, the size of the blade of the existing fan is fixed, and if a small-flow fan is adopted, the flow range can not meet the industrial requirements; if a large-flow fan is adopted, the energy consumption of the fan is high when the air volume is low, and the waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bilobed fan structure can carry out the interconversion between the blade to the amount of wind size of adjustment fan.
The utility model discloses a technical scheme that double-blade fan structure adopted is:
a double-blade fan structure comprises a shell, a motor and a blade assembly, wherein the shell comprises a placing groove arranged on one side of the motor, the placing groove is communicated with the shell, an air inlet is arranged on one side of the shell, which is far away from the placing groove, an air outlet is arranged on the side surface of the shell, the motor is arranged on one side of the placing groove, which is far away from the motor, the blade assembly comprises a rotating plate, a first blade and a second blade, the rotating plate is arranged at the joint of the placing groove and the shell, the rotating plate is rotatably connected with the shell, the motor is arranged on one side of the placing groove, which is far away from the shell, an output shaft of the motor extends into the shell and is fixedly connected with a connecting plate, the surface of the connecting plate is respectively provided with a plurality of first sliding holes and second sliding holes, the first sliding holes and the second sliding holes are arranged around the center of a circle, and the second sliding holes are arranged on the periphery of the first sliding holes, the first blade is arranged in the first sliding hole, the first blade is connected with the first sliding hole in a sliding mode, the second blade is arranged in the second sliding hole, the second blade is connected with the second sliding block in a sliding mode, first fixing structures are arranged on two sides of the first blade, second fixing structures are arranged on two sides of the second blade, the first fixing structures and the second fixing structures are used for fixing the first blade and the second blade on the connecting plate respectively, and the width of the second blade is larger than that of the first blade.
Preferably, the first fixing structure includes a first threaded ring and a first bolt, the first threaded ring is disposed on two sides of the first blade, the connecting plate is correspondingly provided with a first fixing hole, and the first bolt is used for connecting the first threaded hole and the first fixing hole in a threaded manner.
Preferably, the second fixing structure includes a second threaded ring and a second bolt, the second threaded ring is disposed on two sides of the second blade, the connecting plate is correspondingly provided with a second fixing hole, and the second bolt is used for connecting the second threaded hole with the second fixing hole in a threaded manner.
Preferably, the first blades and the second blades are arranged in a staggered manner.
Preferably, the depth of the placement groove is greater than the length of the first blade and the second blade.
Preferably, pull rings are arranged on the sides, away from the placing groove, of the first blade and the second blade.
The utility model discloses a two blade fan structure's beneficial effect is: in the use, when people need great amount of wind, because the width of second blade is greater than first leaf, and the second sliding hole sets up in first sliding hole periphery to pull out the second blade towards casing one side, utilize the fixed knot structure of second blade both sides to be fixed in the rotor plate with the second blade on, push first blade towards the standing groove in simultaneously, and through the first fixed knot structure of first blade both sides, fix first blade and rotor plate. Thereby make the second blade towards the opening one side of casing, first blade is located the standing groove, drives the rotor plate through the motor and rotates, utilizes the second blade on the rotor plate to inhale the air from the air intake of casing, discharges from the air outlet again. On the contrary, when people need to reduce the air volume, the first blades can be fixed towards one side of the shell, the second blades can be fixed towards one side of the placing groove, and air is sucked by the first blades. Compare the intake that has reduced the fan through first blade and second blade to people can carry out interconversion between the blade, thereby adjust the amount of wind size of fan.
Drawings
Fig. 1 is a schematic structural view of a double-blade fan structure of the present invention;
fig. 2 is a schematic view of a second blade operating state of the double-blade fan structure according to the present invention;
fig. 3 is a schematic view of the first blade operating state of the dual-blade fan structure of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1 and 2, a dual-blade fan structure includes a housing 10, a motor 20, and a blade assembly.
The blade assembly includes rotor plate 31, first blade 32 and second blade 33, and rotor plate 31 sets up in standing groove 11 and casing 10 junction, and rotor plate 31 rotates with casing 10 to be connected, and motor 20 sets up in standing groove 11 and keeps away from casing 10 one side, and the output shaft of motor 20 extends to casing 10 in and connecting plate fixed connection.
A plurality of first sliding holes and second sliding holes are formed in the surface of the connecting plate respectively, the first sliding holes and the second sliding holes are arranged around the circle center of the connecting plate, and the second sliding holes are formed in the periphery of the first sliding holes.
Referring to fig. 2 and 3, in the using process, when a user needs a large air volume, since the width of the second blade 33 is greater than that of the first blade and the second sliding hole is disposed at the periphery of the first sliding hole, the second blade 33 is pulled out toward one side of the housing 10, the second blade 33 is fixed on the rotating plate 31 by the fixing structures at two sides of the second blade 33, and the first blade 32 is pushed into the placing slot 11, and the first blade 32 and the rotating plate 31 are fixed by the first fixing structures at two sides of the first blade 32. The second blade 33 is directed to the opening side of the housing 10, the first blade 32 is located in the placement groove 11, the motor 20 drives the rotating plate 31 to rotate, and the second blade 33 on the rotating plate 31 sucks air from the air inlet 12 of the housing 10 and discharges the air from the air outlet 13.
Conversely, when the air volume needs to be reduced, the first blade 32 may be fixed to the casing 10 side, the second blade 33 may be fixed to the storage tank 11 side, and air may be sucked by the first blade 32.
The air inlet volume of the fan is reduced through the comparison of the first blade 32 and the second blade 33, so that people can perform interconversion between the blades, and the air volume of the fan is adjusted.
In the above scheme, the first fixing structure includes a first threaded ring 321 and a first bolt 322, the first threaded ring 321 is disposed on two sides of the first blade 32, a first fixing hole is correspondingly formed in the connecting plate, and the first bolt 322 is used for connecting the first threaded hole and the first fixing hole in a threaded manner.
The second fixing structure comprises a second threaded ring 331 and a second bolt 332, the second threaded ring 331 is arranged on two sides of the second blade 33, a second fixing hole is correspondingly formed in the connecting plate, and the second bolt 332 is used for connecting the second threaded hole with the second fixing hole in a threaded manner.
The first blade 32 and the second blade 33 are respectively in threaded connection with the rotating plate 31 through the first bolt 322 and the second bolt 332, so that the first blade 32 and the second blade 33 can be better fixed on the rotating plate 31, and people can conveniently fix the blades during mutual conversion and adjustment.
The first blades 32 and the second blades 33 are arranged in a staggered manner, so that the occupied area of the rotating plate 31 is saved, and the whole structure of the fan is reduced. And the depth of the placing groove 11 is larger than the length of the first blade 32 and the second blade 33, so that the first blade 32 or the second blade 33 can be smoothly placed into the placing groove 11.
The pull rings 34 are arranged on the sides of the first blade 32 and the second blade 33 far away from the placing groove 11, and people can conveniently pull the first blade 32 or the second blade 33 out of the placing groove 11 by using the pull rings 34, so that people can conveniently convert the first blade 32 and the second blade 33.
The utility model provides a double-blade fan structure, in the use, when people need great amount of wind, because the width of second blade is greater than first leaf, and the second sliding hole sets up in first sliding hole periphery, thereby pull out the second blade towards casing one side, utilize the fixed knot of second blade both sides to be fixed in the rotor plate with the second blade on, push first blade towards the standing groove in simultaneously, and through the first fixed knot structure of first blade both sides, fix first blade and rotor plate. Thereby make the second blade towards the opening one side of casing, first blade is located the standing groove, drives the rotor plate through the motor and rotates, utilizes the second blade on the rotor plate to inhale the air from the air intake of casing, discharges from the air outlet again. On the contrary, when people need to reduce the air volume, the first blades can be fixed towards one side of the shell, the second blades can be fixed towards one side of the placing groove, and air is sucked by the first blades. Compare the intake that has reduced the fan through first blade and second blade to people can carry out interconversion between the blade, thereby adjust the amount of wind size of fan.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A double-blade fan structure comprises a shell, a motor and a blade assembly, and is characterized in that the shell comprises a placing groove arranged on one side of the motor, the placing groove is communicated with the shell, an air inlet is arranged on one side of the shell, which is far away from the placing groove, an air outlet is arranged on the side surface of the shell, the motor is arranged on one side of the placing groove, which is far away from the motor, the blade assembly comprises a rotating plate, a first blade and a second blade, the rotating plate is arranged at the joint of the placing groove and the shell, the rotating plate is rotatably connected with the shell, the motor is arranged on one side of the placing groove, which is far away from the shell, an output shaft of the motor extends into the shell and is fixedly connected with a connecting plate, a plurality of first sliding holes and second sliding holes are respectively arranged on the surface of the connecting plate, the first sliding holes and the second sliding holes are both arranged around the circle center of the connecting plate, and the second sliding holes are arranged on the periphery of the first sliding holes, the first blade is arranged in the first sliding hole, the first blade is connected with the first sliding hole in a sliding mode, the second blade is arranged in the second sliding hole, the second blade is connected with the second sliding block in a sliding mode, first fixing structures are arranged on two sides of the first blade, second fixing structures are arranged on two sides of the second blade, the first fixing structures and the second fixing structures are used for fixing the first blade and the second blade on the connecting plate respectively, and the width of the second blade is larger than that of the first blade.
2. The dual-blade fan structure as claimed in claim 1, wherein the first fixing structure includes a first threaded ring and a first bolt, the first threaded ring is disposed on two sides of the first blade, the connecting plate is correspondingly provided with a first fixing hole, and the first bolt is used for connecting the first threaded hole and the first fixing hole by screw.
3. The dual-blade fan structure as claimed in claim 1, wherein the second fixing structure includes a second threaded ring and a second bolt, the second threaded ring is disposed on two sides of the second blade, the connecting plate is correspondingly provided with a second fixing hole, and the second bolt is used for connecting the second threaded hole with the second fixing hole in a threaded manner.
4. A twin-bladed fan structure according to claim 1 wherein said first and second blades are staggered relative to one another.
5. A twin blade fan arrangement as defined in claim 4 in which the depth of the standing groove is greater than the length of the first and second blades.
6. A twin-bladed fan arrangement according to claim 5, wherein the first and second blades are provided with tabs on the sides remote from the slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346372.3U CN214742174U (en) | 2020-10-21 | 2020-10-21 | Double-blade fan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346372.3U CN214742174U (en) | 2020-10-21 | 2020-10-21 | Double-blade fan structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214742174U true CN214742174U (en) | 2021-11-16 |
Family
ID=78574296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022346372.3U Active CN214742174U (en) | 2020-10-21 | 2020-10-21 | Double-blade fan structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214742174U (en) |
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2020
- 2020-10-21 CN CN202022346372.3U patent/CN214742174U/en active Active
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