CN214221546U - A-type centrifugal fan with built-in structure provided with B5 motor - Google Patents
A-type centrifugal fan with built-in structure provided with B5 motor Download PDFInfo
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- CN214221546U CN214221546U CN202023046752.1U CN202023046752U CN214221546U CN 214221546 U CN214221546 U CN 214221546U CN 202023046752 U CN202023046752 U CN 202023046752U CN 214221546 U CN214221546 U CN 214221546U
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Abstract
The utility model relates to a centrifugal fan field specifically is a A formula centrifugal fan of embedded structure installation B5 motor, including the fan spiral case, the internally mounted of fan spiral case has embedded motor mounting disc, flange mounting type B5 motor is installed in the outside of embedded motor mounting disc, the impeller that is located the fan spiral case is installed to the output of flange mounting type B5 motor, and the outside of fan spiral case is provided with the air intake that corresponds with the impeller. The structure of the embedded motor mounting disc is adopted, so that the gravity center of the motor effectively moves forwards, the light front and heavy rear states of the fan are well improved, the stability of the fan is greatly improved, and the fan is suitable for a B5 motor with higher power; the embedded motor mounting disc enables the motor bearing to be fixedly turned from a plane to a three-dimensional fixed structure in structure, and the stability is further improved; the design of mounting disc strengthening rib trompil for cable routing, it is compact pleasing to the eye.
Description
Technical Field
The utility model relates to a centrifugal fan field specifically is an A formula centrifugal fan of embedded structure installation B5 motor.
Background
The a-type centrifugal fan adopts a flange mounting type (B5) motor which is widely used, and the fan of the type has small volume and compact structure, and is more and more emphasized under the background of some narrow spaces and light weight design.
On the other hand, when the motor is in a horizontal cantilever state, the stability of the fan is greatly influenced due to the gravity of the motor, the fan is unreasonably designed, the phenomena of large fan vibration, excessive noise and the like can be caused, and the application expansion of the fan is limited. All the existing fans in the form have small motor power which is generally not more than 11 KW.
Disclosure of Invention
An object of the utility model is to provide an A formula centrifugal fan of embedded structure installation B5 motor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an A formula centrifugal fan of embedded structure installation B5 motor, includes the fan spiral case, the internally mounted of fan spiral case has embedded motor mounting disc, flange mounting type B5 motor is installed in the outside of embedded motor mounting disc, the impeller that is located the fan spiral case is installed to the output of flange mounting type B5 motor, and the outside of fan spiral case is provided with the air intake that corresponds with the impeller.
As a further aspect of the present invention: the fan volute is connected with the embedded motor mounting disc through bolts.
As a further aspect of the present invention: the embedded motor mounting plate is connected with a flange plate of a flange mounting type B5 motor.
As a further aspect of the present invention: the impeller is mounted on the shaft head of a flange-mounted type B5 motor.
As a further aspect of the present invention: the embedded motor mounting disc includes fan terminal surface flange, embedded ring, mounting disc strengthening rib, mounting disc inner panel, motor ring flange welt, embedded ring sets up the side at fan terminal surface flange, the embedded ring is intra-annular including the concatenation of mounting disc inner panel, motor ring flange welt is assembled on the mounting disc inner panel, fan terminal surface flange and motor ring flange welt are assembled to the mounting disc strengthening rib between.
As a further aspect of the present invention: the reinforcing ribs of the mounting disc are uniformly distributed in a central ring shape.
Compared with the prior art, the beneficial effects of the utility model are that: the fan has the advantages that the structure of the embedded motor mounting disc is adopted, so that the gravity center of the motor effectively moves forwards, the state of light front and heavy rear of the fan is well improved, the stability of the fan is greatly improved, the power of the motor of the designed and applied fan can reach 75KW, the influence of the self weight of the motor on the stability of the fan is reduced, and the fan is suitable for a B5 motor with higher power; the embedded motor mounting disc enables the motor bearing to be fixedly turned from a plane to a three-dimensional fixed structure in structure, and the stability is further improved; the design of mounting disc strengthening rib trompil for cable routing, it is compact pleasing to the eye.
Drawings
Fig. 1 is a schematic structural diagram of the device.
Fig. 2 is a schematic view of an installation structure of a fan volute and an embedded motor installation disc.
Fig. 3 is a front view of an in-line motor mounting plate.
Fig. 4 is a side view of an in-line motor mounting plate.
Fig. 5 is a schematic structural diagram of a fan end face connecting flange.
Fig. 6 is a schematic structural view of an embedded ring.
Fig. 7 is a schematic structural view of an inner plate of the mounting plate.
Fig. 8 is a schematic structural view of a motor flange liner.
Fig. 9 is a schematic structural view of the reinforcing rib of the mounting plate.
1-embedded motor mounting disc, 2-fan volute, 3-impeller, 4-air inlet, 5-flange mounting type B5 motor, 10-fan end face connecting flange, 11-embedded ring, 12-mounting disc reinforcing rib, 13-mounting disc inner plate and 14-motor flange plate lining plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Referring to fig. 1-9, in an embodiment of the present invention, an a-type centrifugal fan with an embedded structure mounted with a B5 motor includes a fan volute 2, an embedded motor mounting disc 1 is mounted inside the fan volute 2, a flange-mounted B5 motor 5 is mounted outside the embedded motor mounting disc 1, an impeller 3 located inside the fan volute 2 is mounted at an output end of the flange-mounted B5 motor 5, and an air inlet 4 corresponding to the impeller 3 is disposed outside the fan volute 2.
The fan volute 2 is connected with the embedded motor mounting disc 1 through bolts, the embedded motor mounting disc 1 is connected with a flange plate of a flange-mounted B5 motor 5, and the impeller 3 is mounted on a shaft head of the flange-mounted B5 motor 5.
Embedded motor mounting disc 1 includes fan terminal surface flange 10, embedded ring 11, mounting disc strengthening rib 12, mounting disc inner panel 13, motor ring flange welt 14, embedded ring 11 sets up the side at fan terminal surface flange 10, in embedded ring 11 including the concatenation of mounting disc inner panel 13, motor ring flange welt 14 is assembled on mounting disc inner panel 13, between fan terminal surface flange 10 and the motor ring flange welt 14, mounting disc strengthening rib 12 is central annular evenly distributed.
Production of the embedded motor mounting disc:
1. calculating the width of the motor 11 according to the weight of the motor and the size from the flange of the motor to the junction box by combining the influence factors of the volute flow channel of the fan;
2. according to the structural strength calculation of the fan, determining the material thicknesses of a fan end face connecting flange 10, an embedded ring 11, a mounting disc reinforcing rib 12, a mounting disc inner plate 13 and a motor flange plate lining plate 14;
3. cutting the end face connecting flange 10 of the blanking fan;
4. unfolding the lofting embedded ring 11, cutting, blanking and rolling;
5. cutting the reinforcing ribs 12 of the mounting disc, wherein circular holes of the reinforcing ribs 12 of the mounting disc are used for hoisting and threading a cable sheath, and the number of the reinforcing ribs 12 is respectively 4/group, 8/group and 12/group according to the power of a motor;
6. cutting the inner plate 13 of the mounting disc;
7. cutting the motor flange lining plate 14;
8. assembling an inner plate 13 of the mounting disc and an embedded ring 11 of the rolling circle;
9. 4 motor fixing bolts are spot-welded on the back surface of the inner plate 13 of the mounting disc, and the specifications of the bolts are determined by the sizes of the motor fixing holes;
10. a fan end face connecting flange 10 is assembled to the embedded circular ring 11;
11. a motor flange plate lining plate 14 is assembled to the mounting plate inner plate 13 and is aligned to the bolt hole;
12. the mounting plate reinforcing ribs 12 are assembled between the fan end face connecting flange 10 and the motor flange plate lining plate 14 and are uniformly distributed in the center;
according to the welding process, the welding is firm.
The fan has the advantages that the structure of the embedded motor mounting disc is adopted, so that the gravity center of the motor effectively moves forwards, the state of light front and heavy rear of the fan is well improved, the stability of the fan is greatly improved, the power of the motor of the designed and applied fan can reach 75KW, the influence of the self weight of the motor on the stability of the fan is reduced, and the fan is suitable for a B5 motor with higher power; the embedded motor mounting disc enables the motor bearing to be fixedly turned from a plane to a three-dimensional fixed structure in structure, and the stability is further improved; the design of mounting disc strengthening rib trompil for cable routing, it is compact pleasing to the eye.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. An A-type centrifugal fan with an embedded structure and a B5 motor comprises a fan volute (2) and is characterized in that an embedded motor mounting disc (1) is mounted inside the fan volute (2), a flange-mounted B5 motor (5) is mounted on the outer side of the embedded motor mounting disc (1), an impeller (3) located in the fan volute (2) is mounted at the output end of the flange-mounted B5 motor (5), and an air inlet (4) corresponding to the impeller (3) is formed in the outer side of the fan volute (2); embedded motor mounting disc (1) includes fan terminal surface flange (10), embedded ring (11), mounting disc strengthening rib (12), mounting disc inner panel (13), motor ring flange welt (14), embedded ring (11) set up the side at fan terminal surface flange (10), in embedded ring (11) including mounting disc inner panel (13) concatenation, motor ring flange welt (14) are assembled on mounting disc inner panel (13), between fan terminal surface flange (10) and motor ring flange welt (14) are assembled to mounting disc strengthening rib (12).
2. The A-type centrifugal fan for mounting the B5 motor in-line structure according to claim 1, wherein the fan volute (2) and the in-line motor mounting plate (1) are connected through bolts.
3. The A-type centrifugal fan of an in-line structure mounted B5 motor of claim 2, wherein the in-line motor mounting plate (1) is connected with a flange plate of a flange-mounted B5 motor (5).
4. An in-line construction of a centrifugal fan of type a mounting a B5 motor according to claim 3, wherein the impeller (3) is mounted on the shaft head of a flange-mounted B5 motor (5).
5. The A-type centrifugal fan of an in-line structure installation B5 motor according to claim 4, wherein the installation disc reinforcing ribs (12) are uniformly distributed in a central ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023046752.1U CN214221546U (en) | 2020-12-16 | 2020-12-16 | A-type centrifugal fan with built-in structure provided with B5 motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023046752.1U CN214221546U (en) | 2020-12-16 | 2020-12-16 | A-type centrifugal fan with built-in structure provided with B5 motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221546U true CN214221546U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023046752.1U Active CN214221546U (en) | 2020-12-16 | 2020-12-16 | A-type centrifugal fan with built-in structure provided with B5 motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221546U (en) |
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2020
- 2020-12-16 CN CN202023046752.1U patent/CN214221546U/en active Active
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