CN219317262U - Axial-flow ventilator - Google Patents
Axial-flow ventilator Download PDFInfo
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- CN219317262U CN219317262U CN202320173951.3U CN202320173951U CN219317262U CN 219317262 U CN219317262 U CN 219317262U CN 202320173951 U CN202320173951 U CN 202320173951U CN 219317262 U CN219317262 U CN 219317262U
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- fan
- guide
- rail
- motor
- axial
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Abstract
The utility model discloses an axial flow fan, which belongs to the technical field of fans, and comprises a fan and a guide cover, wherein the fan is fixedly connected with the guide cover; the fan comprises a fan shell, a motor and fan blades are arranged in the fan shell, and the fan blades are fixedly connected with an output shaft of the motor; a plurality of guide vanes are arranged in the guide cover. According to the fan device, the guide vane is additionally arranged at the outlet of the fan shell, and the wind flow is guided and guided through the guide vane, so that the pressure of the fan at the outlet side of the fan is regulated, and the practicability of the fan of the device is improved.
Description
Technical Field
The utility model belongs to the technical field of fans, and particularly relates to an axial flow fan.
Background
At present, the fan is a universal machine widely applied to various industries of national economy. The fan blade is driven to rotate in a mode of driving a plurality of motors of the conventional fan, and the fan blade is used for improving the gas pressure so as to achieve the purpose of exhausting gas. However, when the rotation speed of the fan reaches the set rotation speed, the pressure at the outlet of the fan is uniform, the practicability is poor, and the use requirement is difficult to meet, so that an axial flow fan capable of changing the pressure at the outlet of the fan is needed to be designed so as to solve the problems in the prior art.
Disclosure of Invention
The utility model aims to solve the technical problems that: overcomes the defects in the prior art and provides an axial flow fan.
In order to solve the problems, the utility model adopts the following technical scheme:
an axial flow fan comprises a fan and a guide cover, wherein the fan is fixedly connected with the guide cover; the fan comprises a fan shell, a motor and fan blades are arranged in the fan shell, and the fan blades are fixedly connected with an output shaft of the motor; a plurality of guide vanes are arranged in the guide cover.
According to the technical scheme, the guide cover is further preferably provided with a plurality of guide rails along the inner side of the cover surface, the guide vanes are provided with rail grooves, the rail grooves are connected with the guide rails in a matched mode, screw holes are formed in the guide rails, bolts are arranged in the screw holes, and the bolts extend to the outer side of the guide cover.
Preferably, the cross section of the guide rail is a T-shaped rail, and the rail groove is a T-shaped groove.
Preferably, the guide vane is in a spiral arc shape.
Preferably, the bolt is a butterfly bolt.
Preferably, the fan is fixedly connected with the guide cover flange.
Preferably, the extending direction of the guide vane is consistent with the rotating direction of the fan blade.
Preferably, the motor is a three-phase asynchronous motor.
Preferably, the air inlet end of the fan shell is provided with a protective net.
Compared with the prior art, the utility model has the beneficial effects that:
2. the utility model provides an axial flow fan, wherein a guide vane is additionally arranged at the outlet of a fan shell in the fan device, and the guide vane guides wind flow to adjust the pressure of the fan at the outlet side of the fan, so that the practicability of the fan of the device is improved.
3. The utility model provides an axial flow fan, wherein guide vanes of the fan device are of a detachable structure, so that the fan can be conveniently replaced with guide vanes of different flow guide structures, the guide vanes are used for rapidly changing the pressure of the fan at the outlet side of the fan, and the pressure at the outlet side of the fan is improved under the condition that the original air quantity of the fan is maintained.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present utility model;
fig. 2 is a schematic side view of the air guide sleeve of the device.
In the figure: 1. the fan comprises a fan body, a fan cover, a fan shell, a fan motor, a fan blade, a guide blade, a protective net, a guide rod, a guide rail, a rail groove, a screw hole, a screw 11 and bolts.
Detailed Description
The following examples are set forth in order to more particularly describe the principles of the present utility model, and are intended to provide a more thorough description of the present utility model.
As shown in fig. 1-2, the utility model provides an axial flow fan, which comprises a fan 1 and a guide cover 2, wherein the fan 1 is fixedly connected with the guide cover 2; the fan 1 comprises a fan shell 3, a motor 4 and fan blades 5 are arranged in the fan shell 3, and the fan blades 5 are fixedly connected with an output shaft of the motor 4; a plurality of guide vanes 6 are arranged in the guide sleeve 2. In this embodiment, the fan 1 is connected with the inner wall of the air guide sleeve 2 in a penetrating manner, and is formed by splicing with a detachable structure, and the fan 1 can be a common fan, and the air guide sleeve 2 is additionally arranged on the outlet side of the common fan, so that the defect of air pressure consistency of the outlet side of the common fan is overcome, and the practicability of the fan is improved. In the embodiment of the utility model, the fan is additionally provided with the guide cover 2, and the pressure of the fan at the outlet side of the fan is regulated through the guiding function of the guide vane on the wind flow direction, so that the practicability of the fan of the device is improved. In the embodiment of the utility model, the fan 1 and the air guide sleeve 2 can be fixedly connected by adopting a flange, and the fan 1 and the air guide sleeve 2 can be quickly installed by fixedly connecting in a flange mode, so that the labor efficiency is improved, the labor intensity is reduced, and the adaptability of the device is enhanced.
As a further preferable embodiment, the guide cover 2 is provided with a plurality of guide rails 8 along the inner side of the cover surface, the guide vane 6 is provided with a rail groove 9, the rail groove 9 is connected with the guide rails 8 in a matching way, the guide rails 8 are provided with screw holes 10, bolts 11 are arranged in the screw holes 10, and the bolts 11 extend to the outer side of the guide cover 2. In the embodiment of the utility model, the guide vane 6 is designed into a detachable structure, and is installed and practical through the matching of the rail groove 9 on the guide vane 6 and the guide rod 8, so that the guide vanes with different structures can be quickly replaced, and the pressure of the outlet side of the fan can be quickly improved. In the embodiment of the utility model, a bolt 11 is arranged between the guide vane 6 and the guide rail 8, the bolt 11 is used for fixing the guide vane 6 on the guide cover 2, and the end part of the bolt 11 is in abutting connection with the guide vane 6. In the embodiment of the utility model, the guide rail 8 and the rail groove 9 are in special-shaped matching connection, and when the bolt 11 is rotated, the guide vane 6 can be propped by the bolt 11 to be used for extruding the contact surface of the guide vane 6 and the guide rail 8, so that the purpose of fixing the guide vane 6 is realized.
As a further preferred embodiment, the cross section of the guide rail 8 is a T-shaped rail, and the rail groove 9 is a T-shaped groove. In the embodiment of the present utility model, the guide rail 8 and the rail groove 9 may be matched with V-shaped grooves, or may be matched and connected with other grooves, while in the embodiment of the present utility model, a T-shaped groove is used for fixing the guide vane 6 and the guide cover 2 together. In the embodiment of the utility model, the guide vane 6 can select different guide vane structures for improving the pressure of the outlet side of the fan.
As a further preferred embodiment, the guide vane 6 is helically curved. In the embodiment of the utility model, the guide vane 6 is in a spiral arc shape, and in the embodiment of the utility model, the spiral arc shape of the guide vane 6 is consistent with the rotation direction of the fan, and the guide effect of the guide vane 6 on the air flow is used for improving the pressure of the fan at the outlet side of the fan.
As a further preferred embodiment, the bolts 11 are butterfly bolts. In the embodiment of the present utility model, the bolts 11 are used to fixedly connect the guide vane 6 and the guide vane 2 together, and in the embodiment of the present utility model, the bolts 11 may be common bolts or T-bolts, and in the embodiment of the present utility model, butterfly bolts are used. The butterfly bolts can conveniently and quickly replace the guide vanes 6, so that the working efficiency of fan installation and assembly is improved.
As a further preferred embodiment, the direction of extension of the guide vanes 6 coincides with the direction of rotation of the fan blades 5.
As a further preferred embodiment, the motor 4 is a three-phase asynchronous motor.
As a further preferred embodiment, the air inlet end of the fan housing 3 is provided with a protective net 7.
The above embodiments are not intended to limit the present utility model, however, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model.
Claims (8)
1. An axial fan, includes fan (1) and kuppe (2), its characterized in that:
the fan (1) is fixedly connected with the air guide sleeve (2); the fan (1) comprises a fan shell (3), a motor (4) and fan blades (5) are arranged in the fan shell (3), and the fan blades (5) are fixedly connected with an output shaft of the motor (4); a plurality of guide vanes (6) are arranged in the guide cover (2); the guide cover (2) is provided with a plurality of guide rails (8) along the inner side of the cover surface, guide vanes (6) are provided with rail grooves (9), the rail grooves (9) are connected with the guide rails (8) in a matched mode, screw holes (10) are formed in the guide rails (8), bolts (11) are arranged in the screw holes (10), and the bolts (11) extend to the outer side of the guide cover (2).
2. An axial fan according to claim 1, wherein:
the section of the guide rail (8) is a T-shaped rail, and the rail groove (9) is a T-shaped groove.
3. An axial fan according to claim 1, wherein:
the guide vane (6) is in a spiral arc shape.
4. An axial fan according to claim 1, wherein:
the bolt (11) is a butterfly bolt.
5. An axial fan according to claim 1, wherein:
the fan (1) is fixedly connected with the flange of the air guide sleeve (2).
6. An axial fan according to claim 1, wherein:
the extending direction of the guide vane (6) is consistent with the rotating direction of the fan blade (5).
7. An axial fan according to claim 1, wherein:
the motor (4) is a three-phase asynchronous motor.
8. An axial fan according to claim 1, wherein:
the air inlet end of the fan shell (3) is provided with a protective net (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320173951.3U CN219317262U (en) | 2023-02-06 | 2023-02-06 | Axial-flow ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320173951.3U CN219317262U (en) | 2023-02-06 | 2023-02-06 | Axial-flow ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219317262U true CN219317262U (en) | 2023-07-07 |
Family
ID=87033093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320173951.3U Active CN219317262U (en) | 2023-02-06 | 2023-02-06 | Axial-flow ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219317262U (en) |
-
2023
- 2023-02-06 CN CN202320173951.3U patent/CN219317262U/en active Active
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