CN220667852U - Belt transmission cooling fan - Google Patents
Belt transmission cooling fan Download PDFInfo
- Publication number
- CN220667852U CN220667852U CN202321263664.8U CN202321263664U CN220667852U CN 220667852 U CN220667852 U CN 220667852U CN 202321263664 U CN202321263664 U CN 202321263664U CN 220667852 U CN220667852 U CN 220667852U
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- Prior art keywords
- bracket
- fixing frame
- cooling fan
- limiting
- rod
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 title claims abstract description 15
- 230000000670 limiting effect Effects 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a belt transmission cooling fan, which comprises an air duct; the bracket is arranged on the air duct; a transmission shaft; the fan blades are arranged at the end part of the transmission shaft; the driven wheel is arranged on the end part of the transmission shaft; the fixing frame can move relative to the bracket; the motor is arranged on the fixing frame; the driving wheel is arranged on the output shaft of the motor; the belt is connected with the driven wheel and the driving wheel; the protective nets are arranged on two sides of the bracket; the connecting mechanism is used for connecting the fixing frame and the bracket; the connecting mechanism comprises: the fixed plate is arranged on the bracket; the limiting column is arranged on the fixed plate, and the fixed frame is provided with a limiting hole matched with the limiting column; the mounting plate is arranged on the fixing frame; the locking rod is arranged on the mounting plate; the baffle is arranged on the locking rod; the first elastic piece is sleeved on the locking rod; wherein, be equipped with on the support with locking lever complex locking hole.
Description
Technical Field
The utility model belongs to the technical field of axial flow fans, and particularly relates to a belt transmission cooling fan.
Background
The axial flow fan has very wide application, namely, the air flow in the same direction with the axis of the fan blade, such as an electric fan, and the fan of the air conditioner external unit is an axial flow running fan. This is called "axial flow" because the gas flows parallel to the fan axis. Axial fans are commonly used in applications where flow requirements are high and pressure requirements are low. The axial flow fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a shell, and the application of the axial flow fan is very wide.
Due to some use scenarios, the rotational speed of the fan blades and the width of the wind tunnel need to be controlled. The existing motor is generally realized by a belt transmission mode, but the position of the motor is generally directly fixed on a fixing frame during production, and the belt is very inconvenient to install and replace.
Disclosure of Invention
The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
To solve the technical problems mentioned in the background section above, some embodiments of the present application provide a belt driven cooling fan, comprising: an air duct;
the bracket is arranged on the air duct;
a transmission shaft;
the fan blades are arranged at the end part of the transmission shaft;
the driven wheel is arranged on the end part of the transmission shaft;
the fixing frame can move relative to the bracket;
the motor is arranged on the fixing frame;
the driving wheel is arranged on the output shaft of the motor;
the belt is connected with the driven wheel and the driving wheel;
the protective nets are arranged on two sides of the bracket;
the connecting mechanism is used for connecting the fixing frame and the bracket;
the connecting mechanism comprises:
the fixed plate is arranged on the bracket;
the limiting column is arranged on the fixed plate, and the fixed frame is provided with a limiting hole matched with the limiting column;
the mounting plate is arranged on the fixing frame;
the locking rod is arranged on the mounting plate;
the baffle is arranged on the locking rod;
the first elastic piece is sleeved on the locking rod;
wherein, be equipped with on the support with locking lever complex locking hole.
Further, a first ball is provided on the end of the locking lever.
Further, the device also comprises a rotating shaft arranged on the bracket, a fixing frame arranged on the rotating shaft, a plurality of protection rods arranged on the fixing frame, a limiting plate arranged on the bracket and a protection assembly.
Further, the protection component comprises a mounting hole arranged on the rotating shaft, a second elastic piece arranged in the mounting hole, a limiting rod arranged on the second elastic piece and a second ball arranged on the limiting rod, a rotating hole matched with the rotating shaft is arranged on the support, and a limiting groove matched with the second ball is formed in the inner wall of the rotating hole.
Further, the protection component further comprises a fixing rod arranged on the fixing frame and an elastic block arranged on the limiting plate, and the elastic block is provided with a clamping groove matched with the fixing rod.
Furthermore, the protective net is provided with a plurality of connecting plates, and the connecting plates can be connected with the bracket and the wind cylinder through screws.
Further, the end part of the locking rod is provided with a pull ring.
The application provides a belt drive cooling fan convenient to change and install belt.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.
In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.
In the drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a rear view of the present utility model.
Fig. 3 is an enlarged view at a of fig. 2.
Fig. 4 is a schematic view of a part of the structure of the connection mechanism.
Fig. 5 is a schematic view of a portion of the structure of the guard assembly.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
1-2, the belt transmission cooling fan comprises an air duct 1, a bracket 2, a transmission shaft 3, fan blades 4, a driven wheel 5, a fixing frame 6, a motor 7, a driving wheel 8, a belt 9, a protective net 10 and a connecting mechanism, wherein the bracket 2 is fixed on the air duct; the transmission shaft 3 is rotatably connected to the bracket 2; the fan blade 4 is fixed at one end of the transmission shaft; the driven wheel 5 is fixed on the end part of the transmission shaft; the motor 7 is a conventional motor and is fixed on the fixing frame 6; the driving wheel 8 is fixed on the output shaft of the motor; the belt 9 is sleeved with a driven wheel and a driving wheel; the protection net 10 is respectively arranged at two sides of the bracket, and is fixedly connected with a connecting plate 101 which is connected with the bracket and the air cylinder through screws.
As shown in fig. 2 to 4, the connecting mechanism comprises a fixing plate 61, a limit post 62, a mounting plate 63, a locking rod 64, a baffle 65, a first elastic member 66, a pull ring 68 and a first ball 67, wherein the fixing plate 61 is fixed on a bracket; the limiting column 62 is horizontally fixed on the fixed plate, and the fixed frame is provided with a limiting hole for the limiting column to pass through; the mounting plate 63 is fixed on the fixing frame; the locking rod 64 is arranged on the mounting plate in a penetrating way and can slide relative to the mounting plate, and a locking hole for the locking rod to be inserted is formed in the bracket; the baffle 65 is fixed on the locking rod; the first elastic member 66 is a spring, which is sleeved on the locking rod, and one end of the first elastic member is fixed on the fingerboard; the first ball 67 is a conventional metal ball which is rotatably connected to the end of the locking lever 64 to reduce friction; a pull ring 68 is attached to the locking lever end; when the belt is installed or replaced, the locking rod is pulled out of the locking hole through the pull ring, then the fixing frame is moved, the distance between the driven wheel and the driving wheel is reduced, then the belt is installed and sleeved on the driven wheel and the driving wheel, the fixing frame is moved reversely, when the belt is tensioned, the locking rod is just aligned with the locking hole, the first elastic piece pushes the locking rod to be automatically inserted into the locking hole, fixing of the fixing frame is further completed, and the replacement process of the whole belt is very convenient and simple.
As shown in fig. 2-3, the belt transmission cooling fan further comprises a rotating shaft 11, a fixed frame 12, a protection rod 13, a limiting plate 14 and a protection assembly, wherein the rotating shaft 11 is rotatably connected to the bracket; the fixed frame 12 is fixed on the end part of the rotating shaft; the protection rods 13 are uniformly fixed in the fixed frame; the limiting plate 14 is fixed on the bracket.
As shown in fig. 3-5, the protection assembly comprises a mounting hole 151, a second elastic member 152, a limit rod 153, a second ball 154, a fixing rod 155 and an elastic block 156, wherein the mounting hole 151 is arranged on the outer wall of the rotating shaft; the second elastic member 152 is a spring, and one end of the second elastic member is fixed at the bottom of the mounting hole; one end of the limiting rod 153 is fixed on the end part of the second elastic piece and can slide relative to the inner wall of the mounting hole; the second ball 154 is a conventional metal ball which is rotatably connected to the end of the stop lever; the bracket is provided with a rotating hole matched with the rotating shaft, the inner wall of the rotating hole is provided with two limiting grooves matched with the second balls, when the fixed frame rotates to a horizontal state, the second balls are just aligned with one of the limiting grooves, and when the fixed frame rotates to a vertical state, the second balls are just aligned with the other limiting groove; when the fixed frame is required to be opened for maintenance, and the fixed frame is rotated to be in a vertical state, the second elastic piece pushes the second ball to enter the limiting groove, so that the limiting effect on the rotating shaft is achieved, and the fixed frame is prevented from rotating in the operation process of a worker; the fixing rod 155 is fixed on the fixing frame; the elastic block 156 is made of elastic rubber, is fixed on the limiting plate, and is provided with a clamping groove into which the fixing rod can be clamped.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the utility model in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the utility model. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (7)
1. A belt drive cooling fan comprising:
an air duct;
the bracket is arranged on the air duct;
a transmission shaft;
the fan blades are arranged at the end part of the transmission shaft;
the driven wheel is arranged on the end part of the transmission shaft;
the fixing frame can move relative to the bracket;
the motor is arranged on the fixing frame;
the driving wheel is arranged on the motor output shaft;
the belt is connected with the driven wheel and the driving wheel;
the protective nets are arranged on two sides of the bracket;
the connecting mechanism is used for connecting the fixing frame and the bracket;
the connecting mechanism is characterized by comprising:
the fixed plate is arranged on the bracket;
the limiting column is arranged on the fixed plate, and the fixed frame is provided with a limiting hole matched with the limiting column;
the mounting plate is arranged on the fixing frame;
the locking rod is arranged on the mounting plate;
the baffle is arranged on the locking rod;
the first elastic piece is sleeved on the locking rod;
wherein, be equipped with on the support with locking lever complex locking hole.
2. A belt driven cooling fan as defined in claim 1, wherein: the end of the locking rod is provided with a first ball.
3. A belt driven cooling fan as defined in claim 1, wherein: the device also comprises a rotating shaft arranged on the support, a fixing frame arranged on the rotating shaft, a plurality of protection rods arranged on the fixing frame, and a limiting plate and a protection assembly arranged on the support.
4. A belt driven cooling fan as described in claim 3 wherein: the protection component comprises a mounting hole arranged on the rotating shaft, a second elastic piece arranged in the mounting hole, a limiting rod arranged on the second elastic piece and a second ball arranged on the limiting rod, a rotating hole matched with the rotating shaft is arranged on the support, and a limiting groove matched with the second ball is formed in the inner wall of the rotating hole.
5. The belt driven cooling fan as described in claim 4 wherein: the protection assembly further comprises a fixing rod arranged on the fixing frame and an elastic block arranged on the limiting plate, and the elastic block is provided with a clamping groove matched with the fixing rod.
6. A belt driven cooling fan as defined in claim 1, wherein: the protection net is provided with a plurality of connecting plates, and the connecting plates can be connected with the bracket and the wind cylinder through screws.
7. A belt driven cooling fan as defined in claim 1, wherein: the end part of the locking rod is provided with a pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263664.8U CN220667852U (en) | 2023-05-23 | 2023-05-23 | Belt transmission cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263664.8U CN220667852U (en) | 2023-05-23 | 2023-05-23 | Belt transmission cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667852U true CN220667852U (en) | 2024-03-26 |
Family
ID=90333650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321263664.8U Active CN220667852U (en) | 2023-05-23 | 2023-05-23 | Belt transmission cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667852U (en) |
-
2023
- 2023-05-23 CN CN202321263664.8U patent/CN220667852U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |