CN215950275U - Coaxial speed-changing fan transmission mechanism - Google Patents
Coaxial speed-changing fan transmission mechanism Download PDFInfo
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- CN215950275U CN215950275U CN202122386401.3U CN202122386401U CN215950275U CN 215950275 U CN215950275 U CN 215950275U CN 202122386401 U CN202122386401 U CN 202122386401U CN 215950275 U CN215950275 U CN 215950275U
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Abstract
The application provides a fan drive mechanism of coaxial variable speed belongs to engine technical field. The fan transmission mechanism with the coaxial speed change comprises a driving wheel mechanism and a driven wheel mechanism, wherein the driving wheel mechanism comprises a crankshaft belt pulley, a rolling bearing and a fan belt pulley. Crankshaft pulley is at the rotation in-process, drive transition pulley through initiative driving belt and rotate, transition fan axle rotates on the pedestal subassembly simultaneously, transition pulley then drives fan pulley through carrying driving belt and rotates, because fan pulley passes through antifriction bearing and crankshaft pulley connection, it is coaxial to realize fan and crankshaft pulley, but can realize the purpose of fan pulley variable speed, thereby realize the purpose of fan variable speed, realize the protection purpose to bent axle and fan, according to adjustment crankshaft pulley, transition pulley, the diameter of fan pulley, can realize the different speed ratios of relative and crankshaft pulley of adjustment fan.
Description
Technical Field
The application relates to the field of engines, in particular to a coaxial variable-speed fan transmission mechanism.
Background
The crankshaft of the engine bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, such as a radiator fan on the engine to work, and the radiator fan is connected with the crankshaft through a crankshaft wheel.
In the related art, the crankshaft is coaxially connected with the heat dissipating fan through the crankshaft pulley, and since the rotating speed of the crankshaft is too high, the resistance generated when the heat dissipating fan coaxially connected with the crankshaft rotates is large, the influence on the rotation of the crankshaft is increased, the mutual obstruction occurs, the damage to the crankshaft and the heat dissipating fan is easily caused, and how to invent the fan transmission mechanism with coaxial speed change to improve the problems becomes a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In order to make up for the deficiencies, the application provides a fan transmission mechanism with coaxial speed change, and aims to solve the problem that a crankshaft is easily damaged when being coaxially connected with a radiating fan.
The embodiment of the application provides a fan drive mechanism with coaxial speed change, which comprises a driving wheel mechanism and a driven wheel mechanism.
The driving wheel mechanism comprises a crankshaft pulley, a rolling bearing and a fan pulley, the fan pulley is connected with the crankshaft pulley through the rolling bearing, the driven wheel mechanism comprises a base assembly, a transition fan shaft and a transition pulley, the transition fan shaft is connected with the base assembly in a rotating mode, the transition pulley is fixedly sleeved on the transition fan shaft, and the transition pulley is in transmission connection with the crankshaft pulley and the fan pulley.
In the above-mentioned realization process, the crank pulley is at the rotation in-process, drive the transition pulley through initiative driving belt and rotate, transition fan axle rotates on the pedestal subassembly simultaneously, the transition pulley then drives the fan pulley through carrying driving belt and rotates, because the fan pulley passes through antifriction bearing and crank pulley connection, it is coaxial to realize fan and crank pulley, but can realize the purpose of fan pulley variable speed, thereby realize the purpose of fan variable speed, realize the protection purpose to bent axle and fan, according to adjusting crank pulley, the transition pulley, the diameter of fan pulley, can realize the different speed ratios of relative and crank pulley of adjustment fan.
In a specific embodiment, the base assembly includes a mounting plate and a shaft sleeve, the shaft sleeve is fixedly mounted on the mounting plate, and the transition fan shaft is rotatably connected to the shaft sleeve.
In the implementation process, the mounting plate is used for achieving the purpose of connection between the mounting plate and the existing machine body, and the shaft of the transition fan rotates in the shaft sleeve.
In a specific embodiment, the mounting plate is provided with a plurality of connecting holes.
In the implementation process, the connection hole on the mounting plate is used for realizing the connection with the machine body.
In a specific implementation scheme, the transition belt pulley comprises a first belt pulley, a second belt pulley and a first connecting shaft, the first belt pulley is connected with the second belt pulley through the first connecting shaft, and the first belt pulley, the second belt pulley and the first connecting shaft are all fixedly sleeved on the transition fan shaft.
In the implementation process, the first belt pulley can drive the second belt pulley to rotate synchronously through the first connecting shaft.
In a specific embodiment, the same driving transmission belt is sleeved on the first belt pulley and the crankshaft belt pulley.
In a particular embodiment, the second pulley and the fan pulley are sleeved with the same output drive belt.
In a specific embodiment, the fan is fixedly mounted on the side wall of the fan pulley.
In a specific embodiment, the crankshaft pulley is provided with a mounting groove, and the rolling bearing is fixedly mounted in the mounting groove.
In the implementation process, the purpose that the crankshaft pulley and the fan pulley are coaxial but can change speed is achieved by arranging the rolling bearing.
In a specific embodiment, a second connecting shaft is connected to the rolling bearing, and the second connecting shaft is connected to the fan pulley.
In a specific embodiment, a fan rotating shaft is fixedly connected to the middle of the fan, and the fan rotating shaft is connected with the fan pulley.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a coaxial variable speed fan drive mechanism provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a driving wheel mechanism of a coaxial speed-changing fan transmission mechanism according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a driven wheel mechanism of a coaxial speed-changing fan transmission mechanism according to an embodiment of the present application.
In the figure: 10-a driving wheel mechanism; 110-a crankshaft pulley; 120-rolling bearing; 130-a fan pulley; 20-a driven wheel mechanism; 210-a seat assembly; 2110-mounting plate; 2120-shaft sleeve; 2130-connecting holes; 220-transition fan axis; 230-a transition pulley; 2310-a first pulley; 2320-a second pulley; 2330-first connecting shaft; 30-a driving transmission belt; 40-output drive belt; 50-a fan; 60-mounting grooves; 70-a second connecting shaft; 80-Fan shaft.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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.
Referring to fig. 1-3, the present application provides a coaxial variable speed fan transmission mechanism, which includes a driving wheel mechanism 10 and a driven wheel mechanism 20.
The driving wheel mechanism 10 includes a crankshaft pulley 110, a rolling bearing 120 and a fan pulley 130, the fan pulley 130 is connected with the crankshaft pulley 110 through the rolling bearing 120, the driven wheel mechanism 20 includes a base assembly 210, a transition fan shaft 220 and a transition pulley 230, the transition fan shaft 220 is connected with the base assembly 210 in a rotating manner, the transition pulley 230 is fixedly sleeved on the transition fan shaft 220, the transition pulley 230 is connected with the crankshaft pulley 110 and the fan pulley 130 in a transmission manner, the first pulley 2310 and the crankshaft pulley 110 are sleeved with a same driving transmission belt 30, and the second pulley 2320 and the fan pulley 130 are sleeved with a same output transmission belt 40.
In the specific arrangement, the seat assembly 210 is installed on the existing machine body, the crank pulley 110 is connected with the crankshaft of the engine, the installation method is the prior art, and will not be described herein, during the rotation of the crank pulley 110, the transition pulley 230 is driven to rotate by the driving transmission belt 30, meanwhile, the transition fan shaft 220 rotates on the base assembly 210, the transition pulley 230 rotates the fan pulley 130 via the transmission belt 40, since the fan pulley 130 is connected to the crank pulley 110 through the rolling bearing 120, the fan 50 is coaxial with the crank pulley 110, but the purpose of speed change of the fan pulley 130 can be achieved, thereby realizing the purpose of speed change of the fan 50, the protection of the crankshaft and the fan 50, depending on the diameters of the adjustable crank pulley 110, the transition pulley 230, and the fan pulley 130, different speed ratios of the adjustable fan 50 relative to the crank pulley 110 may be achieved.
Referring to fig. 3, the seat assembly 210 includes a mounting plate 2110 and a shaft sleeve 2120, the shaft sleeve 2120 is fixedly mounted on the mounting plate 2110, the transition fan shaft 220 is rotatably connected to the shaft sleeve 2120, the mounting plate 2110 is provided with a plurality of connecting holes 2130, the transition pulley 230 includes a first pulley 2310, a second pulley 2320 and a first connecting shaft 2330, the first pulley 2310 is connected to the second pulley 2320 through the first connecting shaft 2330, and the first pulley 2310, the second pulley 2320 and the first connecting shaft 2330 are all fixedly sleeved on the transition fan shaft 220.
When the installation is carried out, the connection bearing is arranged in the shaft sleeve 2120, the transition fan shaft 220 is connected with the connection bearing, the installation plate 2110 is connected with the existing machine body, the installation mode is the prior art, the crankshaft pulley 110 drives the first pulley 2310 to rotate through the driving transmission belt 30, so that the synchronous rotation of the second pulley 2320 is realized, and the second pulley 2320 drives the fan pulley 130 to rotate through the output transmission belt 40.
Referring to fig. 1 and 2, a fan 50 is fixedly mounted on a side wall of the fan pulley 130, a mounting groove 60 is formed on the crank pulley 110, a rolling bearing 120 is fixedly mounted in the mounting groove 60, a second connecting shaft 70 is connected in the rolling bearing 120, the second connecting shaft 70 is connected with the fan pulley 130, a fan rotating shaft 80 is fixedly connected to a middle portion of the fan 50, and the fan rotating shaft 80 is connected with the fan pulley 130.
In the specific setting, the rolling bearing 120 is installed in the installation groove 60, and the installation manner between the second connection shaft 70 and the rolling bearing 120 and the fan pulley 130 is the prior art, and by arranging the rolling bearing 120, the fan pulley 130 can rotate on the rolling bearing 120, so as to achieve the purpose of coaxial speed change.
The working principle of the coaxial variable-speed fan transmission mechanism is as follows: during the rotation of the crank pulley 110, the driving transmission belt 30 drives the first pulley 2310 to rotate, so as to drive the second pulley 2320 to rotate synchronously via the first connecting shaft 2330, the second pulley 2320 drives the fan pulley 130 to rotate via the output transmission belt 40, and the fan pulley 130 drives the fan 50 to rotate, so that the fan 50 is coaxial with the crank pulley 110, but the speed of the fan pulley 130 can be changed.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The fan transmission mechanism with coaxial speed change is characterized by comprising
The driving wheel mechanism (10), the driving wheel mechanism (10) comprises a crankshaft pulley (110), a rolling bearing (120) and a fan pulley (130), and the fan pulley (130) is connected with the crankshaft pulley (110) through the rolling bearing (120);
driven wheel mechanism (20), driven wheel mechanism (20) include pedestal subassembly (210), transition fan axle (220) and transition belt pulley (230), transition fan axle (220) with pedestal subassembly (210) rotate to be connected the setting, transition belt pulley (230) are fixed to be located transition fan axle (220) are gone up, transition belt pulley (230) with crankshaft pulley (110) with fan pulley (130) all transmission connection sets up.
2. The coaxial variable speed fan drive of claim 1, wherein the housing assembly (210) comprises a mounting plate (2110) and a bushing (2120), the bushing (2120) being fixedly mounted to the mounting plate (2110), the transition fan shaft (220) being rotatably coupled to the bushing (2120).
3. The coaxial variable speed fan drive of claim 2, wherein the mounting plate (2110) defines a plurality of attachment holes (2130).
4. The coaxial variable-speed fan transmission mechanism according to claim 1, wherein the transition pulley (230) comprises a first pulley (2310), a second pulley (2320) and a first connecting shaft (2330), the first pulley (2310) is connected to the second pulley (2320) via the first connecting shaft (2330), and the first pulley (2310), the second pulley (2320) and the first connecting shaft (2330) are all fixedly sleeved on the transition fan shaft (220).
5. The coaxial variable speed fan drive of claim 4, wherein the same drive belt (30) is sleeved over the first pulley (2310) and the crank pulley (110).
6. The coaxial variable speed fan drive of claim 4, wherein the second pulley (2320) and the fan pulley (130) are sleeved with the same output drive belt (40).
7. The coaxial variable speed fan drive of claim 1, wherein the fan (50) is fixedly mounted to a sidewall of the fan pulley (130).
8. The coaxial variable-speed fan transmission mechanism as claimed in claim 1, wherein the crank pulley (110) is provided with a mounting groove (60), and the rolling bearing (120) is fixedly mounted in the mounting groove (60).
9. The coaxial variable speed fan drive according to claim 1, wherein a second connecting shaft (70) is connected to the rolling bearing (120), and the second connecting shaft (70) is connected to the fan pulley (130).
10. The coaxial variable speed fan transmission mechanism as claimed in claim 7, wherein a fan rotation shaft (80) is fixedly connected to a middle portion of the fan (50), and the fan rotation shaft (80) is connected to the fan pulley (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386401.3U CN215950275U (en) | 2021-09-29 | 2021-09-29 | Coaxial speed-changing fan transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386401.3U CN215950275U (en) | 2021-09-29 | 2021-09-29 | Coaxial speed-changing fan transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215950275U true CN215950275U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122386401.3U Active CN215950275U (en) | 2021-09-29 | 2021-09-29 | Coaxial speed-changing fan transmission mechanism |
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|---|---|
| CN (1) | CN215950275U (en) |
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- 2021-09-29 CN CN202122386401.3U patent/CN215950275U/en active Active
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