CN215805411U - Mounting structure of external rotor centrifugal fan - Google Patents
Mounting structure of external rotor centrifugal fan Download PDFInfo
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- CN215805411U CN215805411U CN202122080899.0U CN202122080899U CN215805411U CN 215805411 U CN215805411 U CN 215805411U CN 202122080899 U CN202122080899 U CN 202122080899U CN 215805411 U CN215805411 U CN 215805411U
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Abstract
The utility model relates to the technical field of centrifugal fan mounting structures. The mounting structure comprises a mounting plate and a motor supporting plate, wherein a fan rotor is fixedly mounted at a motor rotating shaft, the motor supporting plate and the mounting plate are fixedly connected through a motor support, an upper connecting plate is arranged at the top of the motor support and is in threaded connection with the motor supporting plate, a lower connecting plate is arranged at the bottom of the motor support and is in threaded connection with the mounting plate, and a second screw hole is matched with a fifth screw hole; the mounting panel bottom is equipped with outer edge, mounting panel bottom four corners department fixed mounting has the strengthening rib. The outer rotor centrifugal fan mounting structure for improving the natural frequency of the fan provided by the utility model improves the natural frequency of the mounting structure through structural design, and effectively avoids resonance.
Description
Technical Field
The utility model relates to the technical field of centrifugal fan mounting structures, in particular to an outer rotor centrifugal fan mounting structure.
Background
The outer rotor centrifugal fan is a machine which can improve gas pressure and discharge gas by means of input mechanical energy, and is a driven fluid machine, the outer rotor centrifugal fan is widely applied to the fields of ventilation, dust exhaust, cooling and the like of factories, tunnels, vehicles, ships, cooling towers and buildings, the mounting structure of the existing outer rotor centrifugal fan cannot perfectly avoid a frequency conversion resonance area of the fan, and after the centrifugal fan operates for a long time, the mounting structure can be influenced by resonance to generate noise and loose connecting positions, so that potential safety hazards can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an outer rotor centrifugal fan mounting structure, which aims to at least solve the technical problem that the mounting structure in the prior art can not avoid a fan frequency conversion resonance region.
In order to achieve the above object, an aspect of the present invention provides an outer rotor centrifugal fan mounting structure, including: the fan comprises a mounting plate and a motor supporting plate, wherein a motor is fixedly mounted on the motor supporting plate, a fan rotor is fixedly mounted at a motor rotating shaft, the motor supporting plate and the mounting plate are fixedly connected through a motor support, an upper connecting plate is arranged at the top of the motor support and is in threaded connection with the motor supporting plate, a lower connecting plate is arranged at the bottom of the motor support and is in threaded connection with the mounting plate, a fifth screw hole is formed in the lower connecting plate, a second screw hole is formed in the mounting plate, and the second screw hole is matched with the fifth screw hole;
the mounting panel bottom is equipped with outer edge, mounting panel bottom fixed mounting has the strengthening rib.
In addition, the mounting structure of the outer rotor centrifugal fan provided by the technical scheme of the utility model also has the following technical characteristics:
as a preferable aspect of the present invention, a structural reinforcing plate is installed between the mounting plate and the motor support plate.
As a preferable scheme of the present invention, an upper curved portion edge is provided at an upper portion of the structural reinforcing plate, a lower curved portion edge is provided at a lower portion of the structural reinforcing plate, the upper curved portion edge is in threaded connection with the motor support plate, and the lower curved portion edge is in threaded connection with the mounting plate.
In a preferred embodiment of the present invention, the structural reinforcing plate is provided with through holes.
As a preferable scheme of the utility model, a diversion turning edge is fixedly arranged at the opening position in the middle of the mounting plate.
As a preferable scheme of the present invention, four motor brackets are provided, and the four motor brackets are respectively installed at four corners between the motor support plate and the installation plate.
As a preferable aspect of the present invention, the structural reinforcing plate is provided with four pieces, and the four pieces of structural reinforcing plates are respectively installed at four side positions between the motor support plate and the installation plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the mounting structure of the outer rotor centrifugal fan provided by the technical scheme, the stability of connection of the motor support, the mounting plate and the motor support plate is effectively improved through the design of the upper connecting plate and the lower connecting plate of the motor support; the fifth screw hole arranged on the lower connecting plate is matched with the second screw hole on the mounting plate, so that the fan mounting holes on the lower connecting plate and the mounting plate are overlapped, and the integral stability of the mounting structure can be effectively improved; the design at last flexion border, the lower flexure part border of structure reinforcing plate can effectively promote the holistic anti deformability of mounting structure, makes the holistic support rigidity of mounting structure further strengthen, effectively promotes mounting structure's natural frequency (promotes support rigidity), and then avoids the rotational frequency resonance area of fan, prevents the noise that resonance caused and because resonance causes the not hard up potential safety hazard that causes of connection position.
The strengthening rib that the mounting panel bottom set up can strengthen mounting panel rigidity, further promotes the holistic natural frequency of mounting structure (changes mounting panel rigidity), can avoid the fan and change frequently, makes mounting structure all can avoid resonance in all rotational speed ranges of fan.
Drawings
Fig. 1 is a first perspective view schematically illustrating an outer rotor centrifugal fan mounting structure according to an embodiment of the present invention;
fig. 2 is a second perspective view schematically illustrating an outer rotor centrifugal fan mounting structure according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a motor bracket structure of an outer rotor centrifugal fan mounting structure according to an embodiment of the present invention;
fig. 4 is a schematic view of a first viewing angle of an outer rotor centrifugal fan mounting structure with a structural reinforcing plate according to an embodiment of the present invention.
Fig. 5 is a second perspective view of an external rotor centrifugal fan mounting structure with a structural reinforcing plate according to an embodiment of the present invention.
Fig. 6 is an enlarged schematic view of a structural reinforcing plate structure of an outer rotor centrifugal fan mounting structure according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:
1. mounting a plate; 101. an outer edge; 102. reinforcing ribs; 103. turning edges of the flow guide; 104. a first screw hole; 105. a second screw hole; 2. a motor support plate; 3. a motor bracket; 301. an upper connecting plate; 302. a lower connecting plate; 303. a third screw hole; 304. a fourth screw hole; 305. a fifth screw hole; 4. a structural reinforcement plate; 401. an upper bend edge; 402. a lower curved portion edge; 403. a sixth screw hole; 404. a seventh screw hole; 405. a port; 5. a motor; 6. a fan rotor; 7. a first screw; 8. a second screw; 9. a third screw; 10. and a fourth screw.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
An outer rotor centrifugal fan mounting structure according to some embodiments of the present invention will be described below with reference to fig. 1 to 6.
Example one
As shown in fig. 1, 2, and 3, according to some embodiments of the present invention, an outer rotor centrifugal fan mounting structure includes a motor support plate 2, a motor 5 is fixedly mounted on the motor support plate 2, a fan rotor 6 is fixedly mounted on a rotating shaft of the motor 5, a motor support 3 is respectively disposed at four corners of the motor support plate 2, and upper and lower sides of the motor support 3 are respectively connected to the motor support plate 2 and a mounting plate 1 by threads.
Wherein, motor support 3 upper portion fixed mounting has upper junction plate 301, and the upper junction plate 301 left and right sides respectively is equipped with a third screw hole 303, first screw 7 and motor backup pad 2 and third screw hole 303 threaded connection.
Further, a lower connecting plate 302 is fixedly mounted on the lower portion of the motor support 3, a fourth screw hole 304 is respectively formed in the lower connecting plate 302 and located on each of two sides of the motor support 3, and a third screw 9 is in threaded connection with the fourth screw hole 304 and the mounting plate 1.
Furthermore, a fifth screw hole 305 is formed in the lower connecting plate 302, a second screw hole 105 is formed in the mounting plate 1, a mounting screw is in threaded connection with the fifth screw hole 305 and the second screw hole 105, and the mounting structure is in threaded fixation with the mounting surface through the mounting screw.
Further, the edge 101 is arranged at the bottom edge of the mounting plate 1, and the reinforcing rib 102 is fixedly mounted at the bottom of the mounting plate 1.
Alternatively, in the embodiment of the present disclosure, the reinforcing ribs 102 are provided at four corners of the bottom of the mounting plate 1.
Optionally, in the embodiment of the present disclosure, the outer edge 101 and the reinforcing rib 102 are fixedly connected to the mounting plate 1 by welding.
Furthermore, a diversion flanging edge 103 is fixedly arranged at the opening position in the middle of the mounting plate 1.
Example two
As shown in fig. 4, 5, and 6, the difference between the second embodiment and the first embodiment is characterized in that the second embodiment includes four structural reinforcing plates 4, the four structural reinforcing plates 4 are respectively disposed at four side positions between the motor support plate 2 and the mounting plate 1, an upper bending portion edge 401 is disposed at the upper portion of the structural reinforcing plate 4, two sides of the upper bending portion edge 401 are respectively provided with a sixth screw hole 403, and the second screw 8 is in threaded connection with the motor support plate 2 and the sixth screw holes 403; the lower part of the structural reinforcing plate 4 is provided with a lower bending part edge 402, two sides of the lower bending part edge 402 are respectively provided with a seventh screw hole 404, and the fourth screw 10 is in threaded connection with the mounting plate 1 and the seventh screw hole 404.
Further, the structural reinforcing plate 4 is provided with a through opening 405.
Alternatively, the number of the through-holes 405 may be set to two.
Optionally, the material of the structural reinforcement plate 4 is steel.
The mounting structure is fixed with the mounting surface through mounting screws in a threaded mode, the mounting screws are connected with the mounting surface through the second screw holes 105 and the fifth screw holes 305 in a threaded mode and are reliably connected and fixed with the mounting surface, after the mounting structure is mounted, the outer rotor centrifugal fan can work, when the outer rotor centrifugal fan works, the motor 5 is electrified, and the motor 5 drives the fan rotor 6 to rotate to work.
In the present invention, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an outer rotor centrifugal fan mounting structure which characterized in that includes: mounting panel (1), motor support plate (2), fixed mounting has motor (5) on motor support plate (2), motor (5) pivot department fixed mounting has fan rotor (6), motor support plate (2) with mounting panel (1) is connected fixedly through motor support (3), motor support (3) top is equipped with upper junction plate (301), upper junction plate (301) with motor support plate (2) threaded connection, motor support (3) bottom is equipped with lower connecting plate (302), lower connecting plate (302) with mounting panel (1) threaded connection, be equipped with fifth screw hole (305) on lower connecting plate (302), be equipped with second screw hole (105) on mounting panel (1), second screw hole (105) with fifth screw hole (305) cooperate;
the mounting panel (1) bottom is equipped with outer edge (101), mounting panel (1) bottom fixed mounting has strengthening rib (102).
2. An outer rotor centrifugal fan mounting structure according to claim 1, wherein: install between mounting panel (1) and motor backup pad (2) structural reinforcement board (4).
3. An outer rotor centrifugal fan mounting structure according to claim 2, wherein: structure reinforcing plate (4) upper portion is equipped with flexion border (401), structure reinforcing plate (4) lower part is equipped with down flexion border (402), go up flexion border (401) with motor supporting plate (2) threaded connection, down flexion border (402) with mounting panel (1) threaded connection.
4. An external rotor centrifugal fan mounting structure according to claim 3, wherein: and a through hole (405) is arranged on the structural reinforcing plate (4).
5. An external rotor centrifugal fan mounting structure according to claim 4, wherein: and a diversion turning edge (103) is fixedly arranged at the opening position in the middle of the mounting plate (1).
6. An external rotor centrifugal fan mounting structure according to claim 5, wherein: the motor support (3) is provided with four, four motor support (3) are installed respectively motor backup pad (2) four angular position departments between mounting panel (1).
7. An external rotor centrifugal fan mounting structure according to claim 6, wherein: the structure reinforcing plate (4) is provided with four blocks, and the four blocks of the structure reinforcing plate (4) are respectively installed at four side positions between the motor supporting plate (2) and the mounting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122080899.0U CN215805411U (en) | 2021-08-31 | 2021-08-31 | Mounting structure of external rotor centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122080899.0U CN215805411U (en) | 2021-08-31 | 2021-08-31 | Mounting structure of external rotor centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805411U true CN215805411U (en) | 2022-02-11 |
Family
ID=80153938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122080899.0U Active CN215805411U (en) | 2021-08-31 | 2021-08-31 | Mounting structure of external rotor centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805411U (en) |
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2021
- 2021-08-31 CN CN202122080899.0U patent/CN215805411U/en active Active
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