CN218207134U - Centrifugal ventilator - Google Patents
Centrifugal ventilator Download PDFInfo
- Publication number
- CN218207134U CN218207134U CN202221674397.9U CN202221674397U CN218207134U CN 218207134 U CN218207134 U CN 218207134U CN 202221674397 U CN202221674397 U CN 202221674397U CN 218207134 U CN218207134 U CN 218207134U
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- fan
- heat insulating
- permanent
- insulating board
- bearing
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Abstract
The utility model relates to a ventilator, specific centrifugal ventilator that says so, including permanent-magnet machine and fan housing, be provided with the heat insulating board between permanent-magnet machine and the fan housing, the heat insulating board contacts with the fan housing and is connected, the fan housing is carried on the back to fan housing side and is provided with the installation riser, the installation riser is carried on the back to the heat insulating board side and is provided with the bearing frame, permanent-magnet machine is connected with bearing frame power take off; the utility model discloses a be provided with the heat insulating board, can keep apart the produced heat of high temperature bearing through the heat insulating board, and then guarantee the normal operating of fan shell to can promote holistic life, through being provided with permanent-magnet machine, can have higher output efficiency simultaneously, and power factor is high, the reliability is high and be convenient for the advantage of maintaining simultaneously.
Description
Technical Field
The utility model relates to a ventilation blower specifically is a centrifugal fan, belongs to ventilation blower technical field.
Background
The modern ventilator is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation of air conditioning equipment and household electrical equipment, drying and sorting of grains, inflation and propulsion of wind tunnel air sources and air cushion boats, and the like.
The existing centrifugal ventilator is mostly driven by a belt, and a group of belt driving systems are additionally arranged, so that kinetic energy generated by a servo motor firstly passes through the belt and then is transmitted to the fan by the belt, and therefore, part of kinetic energy is wasted, energy consumption is increased, and work efficiency is reduced.
In view of this, research and improvement are made to solve the existing problems, and a centrifugal fan is provided to achieve the purpose of solving the problems and improving the practical value by the technology.
SUMMERY OF THE UTILITY MODEL
The object of the utility model is to provide a centrifugal fan just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a centrifugal fan, including permanent-magnet machine and fan housing, be provided with the heat insulating board between permanent-magnet machine and the fan housing, the heat insulating board is connected with the fan housing contact, the fan housing is provided with the installation riser back of the body in fan housing side, the installation riser is provided with the bearing bracket back of the body in heat insulating board side mutually, permanent-magnet machine is connected with bearing bracket power take off.
Further: the output shaft of the permanent magnet motor is rotatably connected to the bearing frame through a ball bearing, a motor flange is arranged at the end part of the output shaft of the permanent magnet motor, a high-temperature bearing is arranged on the end, far away from the output shaft end, of the motor flange, and a fan flange is arranged on the end, far away from the output shaft end, of the high-temperature bearing.
Further: the fan flange is fixedly connected with a fan shaft connected with the fan shell through a ball bearing, one end of the fan shaft penetrates through the inside of the fan shell, and the fan shaft is fixedly sleeved with fan blades and located at the inner end of the fan shell.
The utility model discloses a technological effect and advantage: through being provided with the heat insulating board, can keep apart the produced heat of high temperature bearing through the heat insulating board, and then guarantee fan housing's normal operating to can promote holistic life, through being provided with permanent-magnet machine, can have higher output efficiency simultaneously, and power factor is high, the reliability is high and the advantage of being convenient for maintain simultaneously.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of an end face of the present invention;
fig. 3 is a schematic structural diagram of the end face of the present invention.
In the figure: 1. a permanent magnet motor; 101. a motor flange; 102. a high temperature bearing; 103. a fan flange; 2. a fan housing; 201. a fan blade; 3. a heat insulation plate; 4. installing a vertical plate; 5. a bearing bracket; 6. and a fan shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, a centrifugal fan includes a permanent magnet motor 1 and a fan casing 2, a heat insulation plate 3 is disposed between the permanent magnet motor 1 and the fan casing 2, the heat insulation plate 3 is in contact connection with the fan casing 2, an installation vertical plate 4 is disposed on the side of the fan casing 2 opposite to the fan casing 2, a bearing frame 5 is disposed on the side of the installation vertical plate 4 opposite to the heat insulation plate 3, the permanent magnet motor 1 is in power output connection with the bearing frame 5, heat generated by a high temperature bearing 102 can be isolated through the heat insulation plate 3, normal operation of the fan casing 2 is guaranteed, and the service life of the whole fan casing can be prolonged.
As the utility model discloses a technical optimization scheme: the output shaft of the permanent magnet motor 1 is rotatably connected to the bearing frame 5 through a ball bearing, a motor flange 101 is arranged at the end part of the output shaft of the permanent magnet motor 1, a high-temperature bearing 102 is arranged at the end, far away from the output shaft, of the motor flange 101, and a fan flange 103 is arranged at the end, far away from the output shaft, of the high-temperature bearing 102.
As the utility model discloses a technical optimization scheme: the fan flange 103 is fixedly connected to a fan shaft 6 connected with the fan shell 2 through a ball bearing, one end of the fan shaft 6 penetrates through the fan shell 2, and the fan shaft 6 is located in the fan shell 2 and fixedly sleeved with fan blades 201.
The utility model discloses when using, through being provided with heat insulating board 3, can keep apart the produced heat of high temperature bearing 102 through heat insulating board 3, and then guarantee fan housing 2's normal operating to can promote holistic life, through being provided with permanent-magnet machine 1, can have higher output efficiency simultaneously, and power factor is high, the reliability is high and be convenient for maintain's advantage simultaneously.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. A centrifugal fan, includes permanent-magnet machine (1) and fan shell (2), its characterized in that: be provided with between permanent-magnet machine (1) and fan shell (2) heat insulating board (3), heat insulating board (3) and fan shell (2) contact are connected, fan shell (2) are provided with installation riser (4) in the side of fan shell (2) mutually in the back of the body, installation riser (4) are provided with bearing bracket (5) in the side of heat insulating board (3) mutually in the back of the body, permanent-magnet machine (1) is connected with bearing bracket (5) power take off.
2. A centrifugal ventilator according to claim 1, wherein: the output shaft of the permanent magnet motor (1) is rotatably connected to the bearing frame (5) through a ball bearing, a motor flange (101) is arranged at the end part of the output shaft of the permanent magnet motor (1), a high-temperature bearing (102) is arranged at the end, far away from the output shaft, of the motor flange (101), and a fan flange (103) is arranged at the end, far away from the output shaft, of the high-temperature bearing (102).
3. A centrifugal ventilator according to claim 2, wherein: fan flange (103) fixed connection is in fan axle (6) of being connected through ball bearing and fan shell (2), the one end of fan axle (6) runs through inside fan shell (2), fan axle (6) are located fan shell (2) inside end fixed the cup jointing and have fan blade (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221674397.9U CN218207134U (en) | 2022-07-01 | 2022-07-01 | Centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221674397.9U CN218207134U (en) | 2022-07-01 | 2022-07-01 | Centrifugal ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207134U true CN218207134U (en) | 2023-01-03 |
Family
ID=84647246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221674397.9U Active CN218207134U (en) | 2022-07-01 | 2022-07-01 | Centrifugal ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207134U (en) |
-
2022
- 2022-07-01 CN CN202221674397.9U patent/CN218207134U/en active Active
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