CN213655206U - Multi-blade high-temperature centrifugal fan - Google Patents
Multi-blade high-temperature centrifugal fan Download PDFInfo
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- CN213655206U CN213655206U CN202022729068.7U CN202022729068U CN213655206U CN 213655206 U CN213655206 U CN 213655206U CN 202022729068 U CN202022729068 U CN 202022729068U CN 213655206 U CN213655206 U CN 213655206U
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Abstract
The utility model discloses a multi-blade high-temperature centrifugal fan, which belongs to the technical field of centrifugal fans and comprises a base, wherein the top of the base is provided with a motor and a fan, the fan is internally provided with an impeller, the air inlet end of the fan is fixedly connected with a fixed plate and the fixed plate is provided with a plurality of fixed plates, the joint of the fixed plates is provided with a damping rotating shaft, the outer side wall of the damping rotating shaft is fixedly connected with a movable plate corresponding to the position of the fixed plate, the movable plate can rotate along the damping rotating shaft to ensure that the movable plate is uniformly attached to the surface of the fixed plate, the air inlet end of the fan is provided with a larger opening at the moment, when the air quantity of the fan is adjusted, the movable plate is rotated along the damping rotating shaft to adjust the angle of the movable plate, so that the movable plate moves to the opening, flexible use and convenient adjustment.
Description
Technical Field
The utility model relates to a centrifugal fan technical field especially relates to a multi-leaf formula high temperature centrifugal fan.
Background
When the fan works, airflow axially enters the blade space from the fan, then the airflow rotates along with the impeller under the driving of the impeller, on the other hand, the energy is improved under the action of inertia, the airflow leaves the impeller along the radius direction, the fan which works by the generated centrifugal force is called a centrifugal fan, and the centrifugal fan is widely applied in production and life.
Patent No. CN 202811428U discloses a multi-blade centrifugal fan, simple structure, effectively reduce the noise that produces during the operation, reduce the vibration, improve operating efficiency and energy efficiency ratio.
The multi-blade centrifugal fan has the following defects that 1, the air inlet end of the multi-blade centrifugal fan is of a fixed opening structure, the size and the specification are fixed, the air inlet amount and the air outlet amount of the centrifugal fan cannot be conveniently adjusted, and the multi-blade centrifugal fan is not flexible to use; 2. traditional centrifugal fan airs exhaust through the fixed wind channel in fan top usually, and the wind channel is fixed knot to be constructed, when installing, must adjust the mounted position of fan overall position in order to adjust the wind channel, and it is convenient inadequately to use, and the installation is wasted time and energy, for this reason, we provide a multi-blade formula high temperature centrifugal fan.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-blade high temperature centrifugal fan aims at the opening of the air inlet end that can adjust the fan in a flexible way with control fan intake, the whole length in adjustment wind channel that simultaneously can be convenient to the convenience is installed the fan.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of multi-blade high temperature centrifugal fan, the on-line screen storage device comprises a base, motor and fan are installed to the base top, fan internally mounted has the impeller, fan air inlet end fixedly connected with fixed plate and fixed plate are a plurality of, the damping pivot is installed to the fixed plate junction, damping pivot lateral wall fixedly connected with and the fly leaf that the fixed plate position corresponds, fan top one side fixedly connected with wind channel, the cavity has been seted up to the wind channel inner wall, wind channel one side cooperation is connected with the go-between, go-between one side fixedly connected with pegs graft to the inside plugboard of cavity, the wind channel lateral wall can be dismantled and be connected with the bolt and be connected with the plugboard.
Optionally, a motor switch is installed on one side of the surface of the motor, and the current input end of the motor is electrically connected with an external power supply through the motor switch.
Optionally, the belt is installed to motor power take off, motor power take off is connected with fan power input end through the belt.
Optionally, one end of the bolt extends into the cavity and abuts against the surface of the plug board.
The utility model has the advantages as follows:
1. fan and motor are installed at the top of base, its output rotates at a high speed and drives the inside impeller of fan and rotate when the motor moves, the air inlet end of fan is fixed with the fixed plate, the fixed plate intersection is installed the damping pivot and is connected with the fly leaf through the damping pivot, can rotate the angle of fly leaf along the damping pivot, under the normal full-open state, rotate the fly leaf along the damping pivot and make the fly leaf all laminate to the surface of fixed plate, fan air inlet end opening is great this moment, when the amount of wind of fan needs to be adjusted, erect the angle of damping pivot rotation adjustment fly leaf, make the fly leaf move to the open position between the fixed plate, and then reduce the air inlet end area, reach the mesh of the amount of wind of control, compare in the centrifugal fan of traditional structure, can swiftly adjust the amount of wind.
2. The top one side of fan is fixed with the wind-force discharge that the wind channel was used for coming the suction when the fan uses, the cavity has been seted up to the inside in wind channel, go-between one end is fixed with pegs graft to the inside plugboard of cavity, when installing the fan, roughly unable adjustment base position earlier, unscrew the bolt afterwards, the pulling go-between, make the plugboard remove in the cavity, can adjust the length in wind channel, make the go-between of wind channel one side-mounting can just in time contradict to installation body surface position, compare in the structure that traditional fan must carry out the moving as a whole adjustment, the flexibility and the convenience of fan installation have been improved, reach suitable position after, only need twist the bolt and contradict to the plugboard surface, can fix the position of plugboard and go-between.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a multi-blade high-temperature centrifugal fan according to an embodiment of the present invention;
fig. 2 is a schematic view of a fan air inlet end structure of a multi-blade high-temperature centrifugal fan according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a connection portion between an air duct and a connection ring of a multi-blade high-temperature centrifugal fan according to an embodiment of the present invention.
In the figure: 1. a base; 2. a motor; 201. a motor switch; 202. a belt; 3. a fan; 301. an impeller; 4. a fixing plate; 5. a damping rotating shaft; 501. a movable plate; 6. an air duct; 601. a cavity; 7. a connecting ring; 701. a plugboard; 8. and (4) bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
A multi-blade high-temperature centrifugal fan according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a multi-blade high-temperature centrifugal fan, which includes a base 1, the top of the base 1 is provided with a motor 2 and a fan 3, the fan 3 is internally provided with an impeller 301, the air inlet end of the fan 3 is fixedly connected with a plurality of fixed plates 4, the joints of the fixed plates 4 are provided with damping rotating shafts 5, the outer side wall of the damping rotating shaft 5 is fixedly connected with a movable plate 501 corresponding to the position of the fixed plate 4, one side of the top of the fan 3 is fixedly connected with an air duct 6, the inner wall of the air duct 6 is provided with a cavity 601, one side of the air duct 6 is connected with a connecting ring 7 in a matching way, one side of the connecting ring 7 is fixedly connected with a plug board 701 which is plugged into the cavity 601, the outer side wall of the air duct 6 is detachably connected with a bolt 8 and is connected with the plugboard 701 through the bolt 8.
Illustratively, the angle of the movable plate 501 can be rotated along the damping rotating shaft 5, in a normal fully-opened state, the movable plate 501 is rotated along the damping rotating shaft 5 to make the movable plate 501 attached to the surface of the fixed plate 4, at this time, the opening of the air inlet end of the fan 3 is larger, when the air volume of the fan 3 is adjusted, the damping rotating shaft 5 is erected to rotate to adjust the angle of the movable plate 501, so that the movable plate 501 moves towards the opening position between the fixed plates 4, and further the area of the air inlet end is reduced, and the purpose of controlling the air volume is achieved, the use is flexible, the adjustment is convenient, when the fan 2 is installed, the position of the base 1 is approximately fixed, the connecting ring 7 is pulled, the inserting plate 701 moves in the cavity 601, the length of the air duct 6 can be adjusted, the connecting ring 7 can just touch the surface position of the installation body, the position of the plugboard 701 and the connecting ring 7 can be fixed only by screwing the bolt 8 to abut against the surface of the plugboard 701.
Referring to fig. 1, a motor switch 201 is installed on one side of the surface of the motor 2, and a current input end of the motor 2 is electrically connected with an external power supply through the motor switch 201.
Illustratively, the connection between the motor 2 and the external power source can be controlled by the motor switch 201, so as to control the start and stop of the motor 2.
Referring to fig. 1, a belt 202 is installed at the power output end of the motor 2, and the power output end of the motor 2 is connected with the power input end of the fan 3 through the belt 202.
Illustratively, when the motor 2 is operated, the output end thereof rotates at a high speed and drives the impeller inside the fan 3 to rotate through the belt 202, so as to enable the fan 3 to operate normally.
Referring to fig. 1 and 3, one end of the bolt 8 extends into the cavity 601 and abuts against the surface of the plugboard 701.
As an example, after the bolt 8 is screwed and tightened, one end of the bolt abuts against the surface of the plug plate 701, thereby completing the fixing of the position of the connection ring 7.
When the air conditioner is used, the fan 3 and the motor 2 are installed at the top of the base 1, the motor 2 is turned on by switching on the power supply through the motor switch 201, the output end of the motor 2 rotates at a high speed when the motor 2 operates and drives the impeller 301 inside the fan 3 to rotate, the air inlet end of the fan 2 is fixed with the fixed plate 4, the intersection of the fixed plate 4 is provided with the damping rotating shaft 5 and is connected with the movable plate 501 through the damping rotating shaft 5, the angle of the movable plate 501 can be rotated along the damping rotating shaft 5, the movable plate 501 is rotated along the damping rotating shaft 5 under a normal full-open state so that the movable plate 501 is attached to the surface of the fixed plate 4, the opening of the air inlet end of the fan 3 is larger, when the air quantity of the fan 3 needs to be adjusted, the angle of the movable plate 501 is adjusted by rotating along, compared with a centrifugal fan with a traditional structure, the air quantity can be quickly adjusted, the use is flexible, the adjustment is convenient, when the motor 2 runs, the output end of the motor rotates at a high speed and drives the impeller inside the fan 3 to rotate through the belt 202, so that the fan 3 runs normally, the air duct 6 is fixed on one side of the top of the fan 3 and used for discharging wind power sucked in when the fan 3 is used, the cavity 601 is formed inside the air duct 6, the plug-in board 701 inserted into the cavity 601 is fixed at one end of the connecting ring 7, when the fan 3 is installed, the position of the base 1 is approximately fixed, then the bolt 8 is unscrewed, the connecting ring 7 is pulled, the plug-in board 701 moves in the cavity 601, the length of the air duct 6 can be adjusted, the connecting ring 7 installed on one side of the air duct 6 can be just abutted to the surface position of an installation body, and, the flexibility and the convenience of fan 3 installation have been improved, reach suitable position after, only need twist bolt 8 and contradict to plugboard 701 surface, can fix the position of plugboard 701 and go-between 7, and the bolt 8 twists and screws up the back, and its one end is contradicted to the surface of plugboard 701, and then accomplishes the fixed to go-between 7 position.
It should be noted that, the utility model relates to a multi-blade high temperature centrifugal fan, including base 1, motor 2, motor switch 201, belt 202, fan 3, impeller 301, fixed plate 4, damping pivot 5, fly leaf 501, wind channel 6, cavity 601, go-between 7, plugboard 701, bolt 8, the part is the general standard or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The multi-blade high-temperature centrifugal fan comprises a base (1) and is characterized in that a motor (2) and a fan (3) are mounted at the top of the base (1), an impeller (301) is mounted inside the fan (3), a fixing plate (4) and a plurality of fixing plates (4) are fixedly connected with the air inlet end of the fan (3), a damping rotating shaft (5) is mounted at the joint of the fixing plates (4), a movable plate (501) corresponding to the fixing plate (4) is fixedly connected to the outer side wall of the damping rotating shaft (5), an air channel (6) is fixedly connected to one side of the top of the fan (3), a cavity (601) is formed in the inner wall of the air channel (6), a connecting ring (7) is connected to one side of the air channel (6) in a matched mode, a plug-in board (701) inside the cavity (601) is fixedly connected to one side of the connecting ring (7), and a bolt (8) and ) Are connected.
2. The multi-blade high-temperature centrifugal fan according to claim 1, wherein a motor switch (201) is installed on one side of the surface of the motor (2), and the current input end of the motor (2) is electrically connected with an external power supply through the motor switch (201).
3. The multi-blade high-temperature centrifugal fan according to claim 1, wherein a belt (202) is mounted at the power output end of the motor (2), and the power output end of the motor (2) is connected with the power input end of the fan (3) through the belt (202).
4. A centrifugal fan with high temperature and multiple blades according to claim 1, characterized in that the bolt (8) has one end extending into the cavity (601) and abutting against the surface of the plug plate (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022729068.7U CN213655206U (en) | 2020-11-23 | 2020-11-23 | Multi-blade high-temperature centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022729068.7U CN213655206U (en) | 2020-11-23 | 2020-11-23 | Multi-blade high-temperature centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655206U true CN213655206U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022729068.7U Active CN213655206U (en) | 2020-11-23 | 2020-11-23 | Multi-blade high-temperature centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655206U (en) |
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2020
- 2020-11-23 CN CN202022729068.7U patent/CN213655206U/en active Active
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