CN214196762U - Centrifugal fan structure of air-cooled refrigerator - Google Patents
Centrifugal fan structure of air-cooled refrigerator Download PDFInfo
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- CN214196762U CN214196762U CN202022101777.0U CN202022101777U CN214196762U CN 214196762 U CN214196762 U CN 214196762U CN 202022101777 U CN202022101777 U CN 202022101777U CN 214196762 U CN214196762 U CN 214196762U
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- impeller
- fan shell
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- fan
- centrifugal fan
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Abstract
The utility model discloses a centrifugal fan structure of forced air cooling refrigerator, including the fan shell, the line section of thick bamboo is installed to the rear side of fan shell, and the inner chamber of line section of thick bamboo is pegged graft and is had a plurality of line covers, and the inner chamber parcel of line cover has the connecting cable, and a plurality of fastening bolt are installed to the preceding lateral wall of fan shell, and main wheel and impeller are installed to the inner chamber of fan shell, and main wheel and impeller are connected, and the left side of fan shell is provided with the connection installed part. The utility model provides a fan that traditional refrigerator adopted, the wind energy effect is relatively poor, and the noise is great, is unsuitable in the problem of forced air cooling refrigerator application.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan structure of forced air cooling refrigerator.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; the fan adopted by the traditional refrigerator has poor wind energy effect and high noise, and is not suitable for being applied to the air-cooled refrigerator, so that the centrifugal fan structure of the air-cooled refrigerator is designed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a centrifugal fan structure of forced air cooling refrigerator has solved the fan that traditional refrigerator adopted, and wind energy effect is relatively poor, and the noise is great, is unsuitable in the problem of using in forced air cooling refrigerator.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a centrifugal fan structure of forced air cooling refrigerator, includes the fan shell, the line section of thick bamboo is installed to the rear side of fan shell, the inner chamber of line section of thick bamboo is pegged graft and is had a plurality of line covers, the inner chamber parcel of line cover has the connecting cable, a plurality of fastening bolt are installed to the preceding lateral wall of fan shell, main round and impeller are installed to the inner chamber of fan shell, main round and impeller are connected, the left side of fan shell is provided with the connection installed part.
In the centrifugal fan structure of the air-cooled refrigerator, the main wheel and the impeller are both positioned in the center of the inner cavity of the fan shell, and the air is accelerated by the impeller rotating at high speed.
The utility model provides an air-cooled refrigerator's centrifugal fan structure, the blade is installed in the outside of impeller, the blade is installed a plurality ofly, and a plurality of blades are the setting of arranging of circumference array form along the outside of impeller, and a plurality of impeller blades are convenient for gaseous from the axial entering impeller, and the gas flow changes into radially when flowing through the impeller, makes kinetic energy convert the potential energy.
According to the centrifugal fan structure of the air-cooled refrigerator, the blades and the side wall of the impeller are arranged in an inclined mode at 15-25 degrees, and internal pressurization is facilitated through the inclined arrangement of the blades and the impeller.
In the centrifugal fan structure of the air-cooled refrigerator, the inner cavity of the connecting and installing part is provided with the connecting air port, and the connecting air port is communicated with the inner cavity of the fan shell, so that the pressurized wind energy is discharged from the connecting seal.
According to the centrifugal fan structure of the air-cooled refrigerator, the four corners of the connecting and installing part are provided with the fixing and connecting holes, so that the connecting and installing part can be conveniently installed and fixed.
In the centrifugal fan structure of the air-cooled refrigerator, the fan shell is arranged in a volute shape, and the volute shape is adopted, so that air flow enters the next impeller in the diffusion process to generate higher pressure.
The utility model has the advantages that: the main wheel and the impeller are located in the center of an inner cavity of the fan shell, gas is accelerated by the aid of the impeller rotating at a high speed, the blades are installed on the outer side of the impeller, the blades are installed in a plurality of modes, the blades of the impeller are convenient for gas to enter the impeller from the axial direction, the gas flows through the impeller and is changed into radial direction, kinetic energy is converted into potential energy, the blades and the side wall of the impeller are arranged in a 15-25-degree inclined mode, internal pressurization is facilitated due to the inclined arrangement of the blades and the impeller, a connecting air port is communicated with the inner cavity of the fan shell, the pressurized wind energy is discharged from a connecting seal, the fan shell is arranged in a volute shape, the volute shape is adopted, and in the pressure expansion process, the gas flow enters the next impeller to generate higher pressure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the impeller.
In the figure: 1. fan shell, 2, wire barrel, 3, wire sleeve, 4, connecting cable, 5, fastening bolt, 6, main wheel, 7, impeller, 701, blade, 8, connecting installation piece, 801, connecting air port, 802, fixed connection hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to FIGS. 1-2: a centrifugal fan structure of an air-cooled refrigerator comprises a fan shell 1, wherein the fan shell 1 is arranged in a volute shape, a wire barrel 2 is installed on the rear side of the fan shell 1, a plurality of wire sleeves 3 are inserted into the inner cavity of the wire barrel 2, a connecting cable 4 is wrapped in the inner cavity of each wire sleeve 3, a plurality of fastening bolts 5 are installed on the front side wall of the fan shell 1, a main wheel 6 and an impeller 7 are installed in the inner cavity of the fan shell 1, the main wheel 6 is connected with the impeller 7, the main wheel 6 and the impeller 7 are both located in the center of the inner cavity of the fan shell 1, a plurality of blades 701 are installed on the outer side of the impeller 7, the plurality of blades 701 are arranged in a circumferential array shape along the outer side of the impeller 7, the blades 701 and the side wall of the impeller 7 are obliquely arranged at 15-25 degrees, a connecting installation part 8 is arranged on the left side of the fan shell 1, a connecting air port 801 is arranged in the inner cavity of the connecting installation part 8, the connecting air port 801 is communicated with the inner cavity of the fan shell 1, fixed connection holes 802 are formed at four corners of the connection mounting member 8.
To sum up, when the utility model is used, the main wheel 6 and the impeller 7 are both located at the center of the inner cavity of the fan shell 1, the impeller 7 rotating at high speed is used to accelerate the gas, the blade 701 is installed on the outer side of the impeller 7, a plurality of blades 701 are installed on the blade 701, the plurality of impeller blades 701 facilitate the gas to enter the impeller 7 from the axial direction, the gas changes to the radial direction when flowing through the impeller 7, so that the kinetic energy is converted into potential energy, the blades 701 and the side wall of the impeller 7 are inclined at 15-25 degrees, the internal pressurization is facilitated by the inclined arrangement of the blades 701 and the impeller 7, the connecting air inlet 8 is communicated with the inner cavity of the fan shell 1, so that the pressurized wind energy is discharged from the connecting seal 801, the fan shell 1 is arranged in a volute shape, when the pressure expansion process is performed, the air flow enters the impeller 7, higher pressure is generated, so that the wind energy is converted into potential energy to be discharged, and huge noise generated by the traditional fan is avoided, the problems that a fan adopted by a traditional refrigerator is poor in wind energy effect and high in noise are solved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a centrifugal fan structure of forced air cooling refrigerator, includes fan shell (1), its characterized in that: the utility model discloses a fan shell, including fan shell (1), fan shell, line section of thick bamboo (2), the inner chamber of line section of thick bamboo (2) is pegged graft and is had a plurality of line cover (3), the inner chamber parcel of line cover (3) has connecting cable (4), a plurality of fastening bolt (5) are installed to the preceding lateral wall of fan shell (1), main wheel (6) and impeller (7) are installed to the inner chamber of fan shell (1), main wheel (6) and impeller (7) are connected, the left side of fan shell (1) is provided with connection installed part (8).
2. The centrifugal fan structure of the air-cooled refrigerator according to claim 1, wherein: the main wheel (6) and the impeller (7) are both positioned in the center of the inner cavity of the fan shell (1).
3. The centrifugal fan structure of the air-cooled refrigerator according to claim 1, wherein: blades (701) are installed on the outer side of the impeller (7), a plurality of blades (701) are installed, and the plurality of blades (701) are arranged in a circumferential array mode along the outer side of the impeller (7).
4. The centrifugal fan structure of the air-cooled refrigerator according to claim 3, wherein: the blades (701) and the side wall of the impeller (7) are arranged in an inclined mode at an angle of 15-25 degrees.
5. The centrifugal fan structure of the air-cooled refrigerator according to claim 1, wherein: the inner cavity of the connecting and mounting part (8) is provided with a connecting air port (801), and the connecting air port (801) is communicated with the inner cavity of the fan shell (1).
6. The centrifugal fan structure of the air-cooled refrigerator according to claim 1, wherein: and four corners of the connecting and mounting part (8) are provided with fixed connecting holes (802).
7. The centrifugal fan structure of the air-cooled refrigerator according to claim 1, wherein: the fan shell (1) is arranged in a volute shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101777.0U CN214196762U (en) | 2020-09-23 | 2020-09-23 | Centrifugal fan structure of air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022101777.0U CN214196762U (en) | 2020-09-23 | 2020-09-23 | Centrifugal fan structure of air-cooled refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214196762U true CN214196762U (en) | 2021-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022101777.0U Active CN214196762U (en) | 2020-09-23 | 2020-09-23 | Centrifugal fan structure of air-cooled refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214196762U (en) |
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2020
- 2020-09-23 CN CN202022101777.0U patent/CN214196762U/en active Active
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