CN217002393U - Mute pipeline centrifugal fan - Google Patents
Mute pipeline centrifugal fan Download PDFInfo
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- CN217002393U CN217002393U CN202220502887.4U CN202220502887U CN217002393U CN 217002393 U CN217002393 U CN 217002393U CN 202220502887 U CN202220502887 U CN 202220502887U CN 217002393 U CN217002393 U CN 217002393U
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- motor
- shell
- centrifugal fan
- impeller
- cover plate
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Abstract
The utility model provides a mute pipeline centrifugal fan, comprising: a shell and an air guide mechanism; air guide mechanism installs in the casing, the casing includes epitheca and inferior valve, the inferior valve is the bowl type, the epitheca is bowl lid type, be provided with an air intake on the epitheca, be provided with an air outlet on the inferior valve, air guide mechanism includes: the motor, the impeller and the motor bracket; the motor is installed in the middle of the impeller, the bottom of the motor is installed on the motor support, the motor support is installed on the lower shell, a shock pad is arranged between the bottom of the motor and the motor support, and the shock pad is circular. The fan impeller adopts advanced aerodynamic design, and has high efficiency and low noise; the fan adopts an outer rotor motor, so that the vibration is small and the noise is low; can effectively prevent water and dust and has high insulation level.
Description
Technical Field
The utility model relates to the technical field of air treatment systems, in particular to a centrifugal fan for a silent pipeline.
Background
At present, along with rapid development of economy and industry, air pollution becomes increasingly serious, which causes continuous deterioration of air quality, and along with higher and higher requirements of people on indoor air quality, indoor air purification products appear on the market;
however, the existing air purification products have the following disadvantages:
1) the air supply efficiency of the fan is low;
2) the noise is high, and the environment is polluted;
3) the water cannot be effectively prevented, and the motor is damaged.
Therefore, the prior art has drawbacks and needs further improvement.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a centrifugal fan for a silent pipeline.
In order to achieve the purpose, the utility model adopts the following specific scheme:
the utility model provides a mute pipeline centrifugal fan, comprising: a shell and an air guide mechanism;
the air guide mechanism is arranged in the shell, the shell comprises an upper shell and a lower shell, the lower shell is bowl-shaped, the upper shell is bowl-cover-shaped, an air inlet is formed in the upper shell, and an air outlet is formed in the lower shell;
the air guide mechanism comprises: the motor, the impeller and the motor bracket;
the motor is arranged in the middle of the impeller, the bottom of the motor is arranged on the motor support, and the motor support is arranged on the lower shell;
a shock pad is arranged between the bottom of the motor and the motor support and is circular.
Preferably, the motor is an external rotor motor.
Preferably, the impeller comprises: the device comprises a hub, an upper cover plate, a lower cover plate and blades;
the upper cover plate and the lower cover plate are both circular rings, the blades are arranged between the upper cover plate and the lower cover plate and are arc-shaped, the blades are integrally arranged in the vertical direction, the blades are arranged anticlockwise to form a circle, the hub is fixedly arranged on the inner ring of the lower cover plate and is cylindrical, and the impeller is fixedly installed on the motor.
Preferably, the motor bracket includes: the device comprises a base, a side vertical plate and a mounting seat;
the base is a hemisphere opening and is provided with a circular vent towards the bottom, the side vertical plate is a quarter circle, the side vertical plate is fixedly arranged on the inner side of the base along the vertical direction, the right angle of the side vertical plate is fixedly connected with the edge of the mounting seat, and the mounting seat is circular and used for mounting the motor.
Preferably, a plurality of circular silencing holes are formed in the base, and the silencing holes are arranged in the vertical direction in a circular mode.
Preferably, the base with be provided with an soundproof cotton between the inferior valve, soundproof cotton is the hemisphere, soundproof cotton is formed by five the same arcwall faces concatenation.
Preferably, the casing outside still is provided with a terminal box, be provided with a lid on the terminal box, the lid with be provided with a waterproof rubber ring between the terminal box, still install a binding post and a electric capacity in the terminal box, be provided with a wiring hole on the lateral wall of terminal box, be provided with a water joint in the wiring hole, the power cord passes water joint with the binding post electricity is connected, binding post respectively with electric capacity with the motor electricity is connected.
Preferably, both sides of the lower shell are respectively provided with a mounting rack, and the mounting rack is also provided with a mounting bottom plate.
By adopting the technical scheme of the utility model, the utility model has the following beneficial effects:
1. the fan impeller adopts an advanced aerodynamic design, so that the efficiency is high, and the noise is low;
2. the fan adopts an outer rotor motor, so that the vibration is small and the noise is low;
3. can effectively prevent water and dust and has high insulation level.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a perspective view of the hemispherical base of the present invention;
FIG. 3 is a bottom perspective view of the base of the present invention;
FIG. 4 is a perspective view of the impeller of the present invention;
FIG. 5 is a perspective view of the motor of the present invention;
FIG. 6 is a perspective view of the present invention;
fig. 7 is an assembly view of the motor and impeller of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not to be construed as limiting the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "front", "rear", "left", "right", and the like are used in the orientations and positional relationships shown in the drawings only for convenience of description and simplicity of operation, and 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 and 6, the present invention provides a centrifugal fan for a silent pipe, comprising: a shell and an air guide mechanism;
air guide mechanism installs in the casing, the casing includes epitheca 1 and inferior valve 2, inferior valve 2 is the bowl type, epitheca 1 is the bowl lid type, be provided with an air intake 3 on the epitheca 1, be provided with an air outlet 4 on inferior valve 2.
The air guide mechanism comprises: a motor 5, an impeller and a motor bracket;
as shown in fig. 1 and 7, the motor 5 is installed in the middle of the impeller, and the bottom of the motor 5 is installed on the motor bracket installed on the lower case 2.
A shock pad 6 is arranged between the bottom of the motor 5 and the motor support, and the shock pad 6 is circular.
As shown in fig. 5, the motor 5 is an external rotor motor.
As shown in fig. 4, the impeller includes: a hub 8, an upper cover plate 9, a lower cover plate 10 and blades 11;
the upper cover plate 9 and the lower cover plate 10 are both circular rings, the blades 11 are arranged between the upper cover plate 9 and the lower cover plate 10, the blades 11 are arc-shaped and are integrally arranged in the vertical direction, the blades 11 are arranged anticlockwise to form a circle, the hub 8 is fixedly arranged on an inner ring of the lower cover plate 10, the hub 8 is cylindrical, and the hub 8 is used for fixedly installing the impeller on the motor 5.
The motor bracket includes: the base 12, the side vertical plate 14 and the mounting seat 15;
the base 12 is a round vent with a hemispherical opening facing upwards and the bottom, the side vertical plate 14 is a quarter round, the side vertical plate 14 is fixedly installed on the inner side of the base 12 along the vertical direction, a right angle of the side vertical plate 14 is fixedly connected with the edge of the installation seat 15, and the installation seat 15 is round and used for installing the motor 5.
As shown in fig. 2-3, the base 12 is provided with a plurality of circular muffling holes 13, and the muffling holes 13 are circular and arranged in the vertical direction.
The base 12 with be provided with an acoustic insulation cotton 7 between the inferior valve 2, acoustic insulation cotton 7 is the hemisphere, acoustic insulation cotton 7 is formed by five the same arcwall face concatenations.
The motor-driven power supply comprises a shell and is characterized in that a junction box 16 is further arranged on the outer side of the shell, a box cover 17 is arranged on the junction box 16, a waterproof rubber ring 18 is arranged between the box cover 17 and the junction box 16, a wiring terminal 20 and a capacitor 19 are further installed in the junction box 16, a wiring hole 21 is formed in the side wall of the junction box 16, a waterproof connector 22 is arranged in the wiring hole 21, a power line penetrates through the waterproof connector 22 to be electrically connected with the wiring terminal 20, and the wiring terminal 20 is electrically connected with the capacitor 19 and the motor 5 respectively.
The two sides of the lower shell 2 are respectively provided with a mounting rack 23, and the mounting rack 23 is further provided with a mounting bottom plate 24.
The principle of the utility model is as follows:
the motor 5 drives the impeller to rotate, air is introduced from the air inlet 3 and is sent out from the air outlet 4, the soundproof cotton 7 is arranged between the motor support and the shell to reduce noise, and the air supply efficiency is further improved and the noise is reduced through the mechanical design of the outer rotor motor and the impeller.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical scope of the present invention, which are directly or indirectly applicable to other related technical fields within the spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides a silence pipeline centrifugal fan which characterized in that includes: a shell and an air guide mechanism;
the air guide mechanism is installed in the shell, the shell comprises an upper shell and a lower shell, the lower shell is bowl-shaped, the upper shell is bowl-cover-shaped, an air inlet is formed in the upper shell, and an air outlet is formed in the lower shell;
the air guide mechanism comprises: the motor, the impeller and the motor bracket;
the motor is arranged in the middle of the impeller, the bottom of the motor is arranged on the motor bracket, and the motor bracket is arranged on the lower shell;
a shock pad is arranged between the bottom of the motor and the motor support and is circular.
2. The silent pipe centrifugal fan as claimed in claim 1,
the motor is an outer rotor motor.
3. The silent pipe centrifugal fan of claim 2,
the impeller includes: the device comprises a hub, an upper cover plate, a lower cover plate and blades;
the upper cover plate and the lower cover plate are both circular rings, the blades are arranged between the upper cover plate and the lower cover plate and are arc-shaped, the blades are integrally arranged in the vertical direction, the blades are arranged anticlockwise to form a circle, the hub is fixedly arranged on the inner ring of the lower cover plate and is cylindrical, and the impeller is fixedly installed on the motor.
4. The silent pipe centrifugal fan as claimed in claim 3,
the motor bracket includes: the device comprises a base, a side vertical plate and a mounting seat;
the base is a hemisphere opening and is provided with a circular vent towards the bottom, the side vertical plate is a quarter circle, the side vertical plate is fixedly arranged on the inner side of the base along the vertical direction, the right angle of the side vertical plate is fixedly connected with the edge of the mounting seat, and the mounting seat is circular and used for mounting the motor.
5. The silent pipe centrifugal fan according to claim 4,
the base is provided with a plurality of circular silencing holes, and the silencing holes are arranged in the vertical direction in a circular mode.
6. The silent pipe centrifugal fan as claimed in claim 5,
the base with be provided with an acoustic cotton between the inferior valve, the acoustic cotton is the hemisphere, the acoustic cotton is formed by five the same arcwall face concatenations.
7. The silent pipe centrifugal fan of claim 6,
the shell is characterized in that a junction box is further arranged on the outer side of the shell, a box cover is arranged on the junction box, a waterproof rubber ring is arranged between the box cover and the junction box, a wiring terminal and a capacitor are further installed in the junction box, a wiring hole is formed in the side wall of the junction box, a waterproof connector is arranged in the wiring hole, a power line penetrates through the waterproof connector and is electrically connected with the wiring terminal, and the wiring terminal is respectively electrically connected with the capacitor and the motor.
8. The silent pipe centrifugal fan of claim 7,
and two sides of the lower shell are respectively provided with a mounting rack, and the mounting rack is also provided with a mounting bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502887.4U CN217002393U (en) | 2022-03-07 | 2022-03-07 | Mute pipeline centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502887.4U CN217002393U (en) | 2022-03-07 | 2022-03-07 | Mute pipeline centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002393U true CN217002393U (en) | 2022-07-19 |
Family
ID=82368369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220502887.4U Active CN217002393U (en) | 2022-03-07 | 2022-03-07 | Mute pipeline centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002393U (en) |
-
2022
- 2022-03-07 CN CN202220502887.4U patent/CN217002393U/en active Active
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