CN221074772U - Connection structure of small fan blade and motor - Google Patents
Connection structure of small fan blade and motor Download PDFInfo
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- CN221074772U CN221074772U CN202323265427.8U CN202323265427U CN221074772U CN 221074772 U CN221074772 U CN 221074772U CN 202323265427 U CN202323265427 U CN 202323265427U CN 221074772 U CN221074772 U CN 221074772U
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- fan blade
- motor
- flange plate
- rotating shaft
- connection structure
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of fans and discloses a connecting structure of small fan blades and a motor, which comprises a motor, a flange plate and a fan She Gujia, wherein a motor rotating shaft is arranged at the center of one end of the motor, the flange plate is sleeved and fixed on the motor rotating shaft, a fan blade framework is fixed on the outer side of the flange plate, a plurality of fan blades with the same interval are annularly arranged on the outer wall of the fan blade framework, and a guide cover is fixed at one end of the fan blade framework, which faces the same direction as the motor rotating shaft; the connection between the fan blade and the motor is completed; the flange plate can increase the overall strength of the connecting part, improve the firmness and stability of connection, and ensure that equipment or parts can keep stable when being subjected to external force or pressure; the flange plate has better sealing performance, and can realize sealing through parts such as gaskets or sealing rings, prevent fluid or gas leakage and reduce the air leakage rate.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a connection structure of a small fan blade and a motor.
Background
In the process of motor fan blade installation use, traditional mounting structure is comparatively single, and the stability of fan blade structure after installation use is lower, when fan blade and pivot installation are connected, causes the installation focus of fan blade to take place the skew easily, leads to fan blade and pivot to take place to rock, causes internal connection structure's wearing and tearing, reduces fan blade structure's life, also can increase the noise in the fan blade use simultaneously, consequently, need design a connection structure to guarantee that fan blade and motor can be stable after being connected.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a connecting structure of a small fan blade and a motor, which has the advantage of stable structure after the fan blade is connected with the motor, and solves the problem of unstable connection of the fan blade and the motor in a fan.
(II) technical scheme
In order to achieve the aim of stabilizing the structure of the fan blade connected with the motor, the utility model provides the following technical scheme: the connecting structure of the small fan blade and the motor comprises the motor, wherein a motor rotating shaft is arranged at the center of one end of the motor;
the flange plate is sleeved and fixed on the motor rotating shaft;
The fan blade framework is fixed on the outer side of the flange plate, a plurality of fan blades with the same interval are annularly arranged on the outer wall of the fan blade framework, and a guide cover is fixed at one end of the fan blade framework, which faces the same direction as the motor rotating shaft.
Preferably, a first threaded hole is formed in the motor rotating shaft, the flange plate is fixedly connected with the motor rotating shaft through an end cover screw, and a sealing gasket is arranged between the end cover screw and the flange plate.
Preferably, a groove is formed at the junction of the motor rotating shaft and the flange plate, and an A-shaped key is arranged in the groove.
Preferably, the inner diameter of the sealing gasket is larger than or equal to the outer diameter of the upper screw body of the end cover screw and smaller than the outer diameter of the upper screw cap of the end cover screw; the outer diameter of the sealing gasket is larger than the outer diameter of the motor rotating shaft and is not larger than the outer diameter of the flange plate.
Preferably, a plurality of fourth threaded holes are formed in the upper edge of the air guide sleeve, the same number of second threaded holes are correspondingly formed in the fan blade framework, and the air guide sleeve is tightly connected with the fan blade framework through air guide sleeve screws.
Preferably, the inner wall of the fan blade framework extends to the center to form a plurality of fixing tables, each fixing table is provided with a third threaded hole, the flange plate is correspondingly provided with a fifth threaded hole with the same number, and the fan blade framework is tightly connected with the flange plate through connecting bolts and nuts.
Preferably, the fan blade framework is of a circular structure, and the number of the fan blades is six.
Preferably, the fourth threaded holes are formed in the guide cover in a central symmetry mode, the number of the fourth threaded holes is four, and the number of the second threaded holes is correspondingly four.
Preferably, the fixing table is arranged on the fan blade framework in a central symmetry manner, the total number of the third threaded holes is four, and the flange plate is correspondingly provided with four fifth threaded holes.
(III) beneficial effects
Compared with the prior art, the utility model provides a connecting structure of a small fan blade and a motor, which has the following beneficial effects:
1. According to the connection structure of the small fan blade and the motor, the flange plate is sleeved and fixed on the motor rotating shaft through the end cover screw, the fan blade framework is fixed on the outer side of the flange plate, six fan blades with the same interval are arranged on the outer wall of the fan blade framework, and the connection between the fan blade and the motor is completed; the flange plate can increase the overall strength of the connecting part, improve the firmness and stability of connection, and ensure that equipment or parts can keep stable when being subjected to external force or pressure; the flange plate is usually provided with bolt holes and nuts, and can be fastened and fixed conveniently through the bolts and the nuts, so that the flange plate is more convenient and quicker to install and detach; the flange plate has good sealing performance, and sealing can be realized through parts such as gaskets or sealing rings, so that leakage of fluid or gas is prevented; the flange plate can bear higher pressure and temperature and can bear higher working pressure and temperature change.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal connection structure of the present utility model;
FIG. 3 is a schematic diagram of the connection structure of the flange and the motor according to the present utility model;
Fig. 4 is a side cross-sectional view of the connection structure of the present utility model.
In the figure: 1. a motor; 11. a motor shaft; 12. a first threaded hole; 2. a fan blade framework; 21. a fan blade; 22. a second threaded hole; 23. a fixed table; 24. a third threaded hole; 3. a guide cover; 31. a fourth threaded hole; 4. a flange plate; 41. a fifth threaded hole; 5. a groove; 6. a type A bond; 7. a pod screw; 8. a connecting bolt; 81. a nut; 9. an end cap screw; 91. and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, a connection structure of a small fan blade and a motor comprises a motor 1, wherein a motor rotating shaft 11 is arranged at the center of one end of the motor 1;
The flange 4 is sleeved and fixed on the motor rotating shaft 11;
The fan blade framework 2 is fixed on the outer side of the flange plate 4, the fan blade framework 2 is of a circular structure, six fan blades 21 with the same interval are annularly arranged on the outer wall of the fan blade framework 2, and a guide cover 3 is fixed on one end, facing the same direction as the motor rotating shaft 11, of the fan blade framework 2; the flange plate is sleeved and fixed on the motor rotating shaft, the fan blade framework is fixed on the outer side of the flange plate, six fan blades with the same interval are arranged on the outer wall of the fan blade framework, and the connection between the fan blades and the motor is completed; the flange plate can increase the overall strength of the connecting part, improve the firmness and stability of connection, and ensure that equipment or parts can keep stable when being subjected to external force or pressure; the flange plate is usually provided with bolt holes and nuts, and can be fastened and fixed conveniently through the bolts and the nuts, so that the flange plate is more convenient and quicker to install and detach; the flange plate has good sealing performance, and sealing can be realized through parts such as gaskets or sealing rings, so that leakage of fluid or gas is prevented; the flange plate can bear higher pressure and temperature and can bear higher working pressure and temperature change.
As shown in fig. 3 and 4, in this embodiment, a first threaded hole 12 is formed in a motor shaft 11, a flange 4 is fixedly connected with the motor shaft 11 through an end cover screw 9, a sealing washer 91 is disposed between the end cover screw 9 and the flange 4, and the inner diameter of the sealing washer 91 is greater than or equal to the outer diameter of the upper nail body of the end cover screw 9 and smaller than the outer diameter of the upper nut of the end cover screw 9; the outer diameter of the sealing washer 91 is larger than the outer diameter of the motor shaft 11 and not larger than the outer diameter of the flange 4; the end cover screw is fixedly connected with the flange plate and the motor rotating shaft, so that the flange plate and the motor rotating shaft are fixedly connected, the structure is stable, and meanwhile, the sealing gasket is arranged between the end cover screw and the flange plate, so that fluid leakage can be effectively prevented, and the tightness of connection are ensured.
In this embodiment, as shown in fig. 3 and fig. 4, a groove 5 is formed at the junction of the motor shaft 11 and the flange 4, and an a-shaped key 6 is installed in the groove 5; the A-shaped key is used for fixing the flange plate and the motor rotating shaft, and further improves the stability of the structure after the flange plate and the motor rotating shaft are fixedly connected.
As shown in fig. 1 and 2, in this embodiment, four fourth threaded holes 31 are formed at the upper edge of the air guide sleeve 3, the fourth threaded holes 31 are formed on the air guide sleeve 3 in a central symmetry manner, four second threaded holes 22 are correspondingly formed on the fan blade frame 2, and the air guide sleeve 3 is tightly connected with the fan blade frame 2 through air guide sleeve screws 7; the fourth threaded holes are formed in the guide cover in a central symmetry mode, the guide cover and the air vane framework are fixedly connected through guide cover screws, and structural stability of the guide cover and the air vane framework after connection is improved.
As shown in fig. 2, 3 and 4, in this embodiment, four fixing tables 23 extend from the inner wall of the fan blade frame 2 towards the center, the fixing tables 23 are symmetrically arranged on the fan blade frame 2 in the center, each fixing table 23 is provided with a third threaded hole 24, the flange 4 is correspondingly provided with four fifth threaded holes 41, and the fan blade frame 2 and the flange 4 are tightly connected through connecting bolts 8 and nuts 81; the fixed station is provided with the structure that is central symmetry and sets up on the fan blade skeleton to with connecting bolt and nut with fan blade skeleton and ring flange fixed connection, improved the structural stability after ring flange and fan blade skeleton are connected, still have simple structure simultaneously, conveniently dismantle and the advantage of installation, only need rotatory connecting bolt and nut alright accomplish dismantlement and the installation between fan blade skeleton and the ring flange.
The working principle is that a flange plate 4 is sleeved on a motor rotating shaft 11, an A-shaped key 6 is arranged in a groove 5 and used for fixing the motor rotating shaft 11 and the flange plate 4, a sealing gasket 91 is arranged in a first threaded hole 12 in an aligned mode to fix the flange plate 4 and the electronic rotating shaft 11, four fifth threaded holes 41 and four third threaded holes 24 are arranged in an aligned mode, four connecting bolts 8 and four nuts 81 are used for fixedly connecting a fan blade framework 2 with the flange plate 4, finally four fourth threaded holes 31 and four second threaded holes 22 are arranged in an aligned mode, and four dome screws 7 are used for fixedly connecting a dome 3 with the fan blade framework 2.
In summary, in the connection structure of the small fan blade and the motor, the flange plate 4 is sleeved and fixed on the motor rotating shaft 11 by the end cover screw 9, the fan blade framework 2 is fixed on the outer side of the flange plate 4, and six fan blades 21 with the same interval are arranged on the outer wall of the fan blade framework 2, so that the connection between the fan blade and the motor is completed; the flange plate can increase the overall strength of the connecting part, improve the firmness and stability of connection, and ensure that equipment or parts can keep stable when being subjected to external force or pressure; the flange plate is usually provided with bolt holes and nuts, and can be fastened and fixed conveniently through the bolts and the nuts, so that the flange plate is more convenient and quicker to install and detach; the flange plate has good sealing performance, and sealing can be realized through parts such as gaskets or sealing rings, so that leakage of fluid or gas is prevented; the flange plate can bear higher pressure and temperature and can bear higher working pressure and temperature change.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a connection structure of small-size fan blade and motor, includes motor (1), its characterized in that: a motor rotating shaft (11) is arranged at the center of one end of the motor (1);
the flange plate (4) is sleeved and fixed on the motor rotating shaft (11);
The fan blade framework (2), fan blade framework (2) is fixed in the outside of ring flange (4), be provided with a plurality of fan blade (21) that the interval is the same on fan blade framework (2) outer wall, be fixed with kuppe (3) with motor shaft (11) one end that faces the same on fan blade framework (2).
2. The connection structure of a small fan blade and a motor according to claim 1, wherein: the motor rotating shaft (11) is provided with a first threaded hole (12), the flange plate (4) is fixedly connected with the motor rotating shaft (11) through an end cover screw (9), and a sealing gasket (91) is arranged between the end cover screw (9) and the flange plate (4).
3. The connection structure of a small fan blade and a motor according to claim 2, wherein: a groove (5) is formed at the junction of the motor rotating shaft (11) and the flange plate (4), and an A-shaped key (6) is arranged in the groove (5).
4. The connection structure of a small fan blade and a motor according to claim 2, wherein: the inner diameter of the sealing washer (91) is larger than or equal to the outer diameter of the upper nail body of the end cover screw (9) and smaller than the outer diameter of the nut of the end cover screw (9); the outer diameter of the sealing washer (91) is larger than the outer diameter of the motor rotating shaft (11) and is not larger than the outer diameter of the flange plate (4).
5. The connection structure of a small fan blade and a motor according to claim 1, wherein: a plurality of fourth threaded holes (31) are formed in the upper edge of the air guide sleeve (3), the same number of second threaded holes (22) are correspondingly formed in the fan blade framework (2), and the air guide sleeve (3) is tightly connected with the fan blade framework (2) through air guide sleeve screws (7).
6. The connection structure of a small fan blade and a motor according to claim 5, wherein: the fan blade framework (2) is characterized in that a plurality of fixing tables (23) extend from the inner wall of the fan blade framework (2) to the center, a third threaded hole (24) is formed in each fixing table (23), the flange plate (4) is correspondingly provided with a fifth threaded hole (41) with the same number, and the fan blade framework (2) is tightly connected with the flange plate (4) through a connecting bolt (8) and a nut (81).
7. The connection structure of a small fan blade and a motor according to claim 1, wherein: the fan blade framework (2) is of a circular structure, and the number of the fan blades (21) is six.
8. The connection structure of a small fan blade and a motor according to claim 5, wherein: the four fourth threaded holes (31) are formed in the guide cover (3) in a central symmetry mode, the number of the four fourth threaded holes (31) is four, and the number of the second threaded holes (22) is correspondingly formed.
9. The connection structure of a small fan blade and a motor according to claim 6, wherein: the fixing table (23) is arranged on the fan blade framework (2) in a central symmetry mode, the number of the third threaded holes (24) is four, and the flange plate (4) is correspondingly provided with four fifth threaded holes (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323265427.8U CN221074772U (en) | 2023-12-01 | 2023-12-01 | Connection structure of small fan blade and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323265427.8U CN221074772U (en) | 2023-12-01 | 2023-12-01 | Connection structure of small fan blade and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074772U true CN221074772U (en) | 2024-06-04 |
Family
ID=91252622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323265427.8U Active CN221074772U (en) | 2023-12-01 | 2023-12-01 | Connection structure of small fan blade and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074772U (en) |
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2023
- 2023-12-01 CN CN202323265427.8U patent/CN221074772U/en active Active
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