CN201730844U - Variable ratio fan shaft pulley - Google Patents
Variable ratio fan shaft pulley Download PDFInfo
- Publication number
- CN201730844U CN201730844U CN2010202233874U CN201020223387U CN201730844U CN 201730844 U CN201730844 U CN 201730844U CN 2010202233874 U CN2010202233874 U CN 2010202233874U CN 201020223387 U CN201020223387 U CN 201020223387U CN 201730844 U CN201730844 U CN 201730844U
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- CN
- China
- Prior art keywords
- fan shaft
- pulley
- belt
- fan
- shaft pulley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a variable ratio fan shaft pulley structure which comprises a fan shaft pulley, a first belt, a second belt, an idle pulley, a third belt, and a driving wheel. The variable ratio fan shaft pulley is characterized in that: when the driving wheel transmits power to the fan shaft pulley through the idle pulley, the transmission between the idle pulley and the fan shaft pulley has two speed ratios; namely, two pulleys with different diameters are disposed on the fan shaft pulley and driven by the idle pulley to form two different speed ratio structures, so that a user can select a proper transmission ratio according to different working conditions, thereby reducing the power consumption of fan attachments (for example, a bigger transmission ratio can be selected in summer and a smaller transmission ratio can be selected in winter). The variable ratio fan shaft pulley has the advantages of simple structure, reduced power consumption of the fan attachments, low cost, and excellent reliability and the like.
Description
Technical field
The utility model relates to a kind of variable gear ratio fan shaft belt pulley, makes cooling fan of engine can easily change speed ratio, can be widely used in mechanical industries such as automobile, motor.
Background technique
In mechanical industries such as automobile, motors, cooling fan is a part indispensable in the engine-cooling system.And the too much wasted work of cooling fan is one of focal issue of puzzlement industry always.Adopt silicon oil clutch fan, automatically controlled fan to wait the rotating speed of adjusting fan at present on the industry, and then reduce the fan wasted work, but such construction cost height, and reliability is bad.
Summary of the invention
At the deficiency that existing fan drive mechanism produces, the purpose of the utility model variable gear ratio fan shaft belt sheave structure is to provide two kinds of speed ratios of transmission fan, to satisfy motor in the different operating modes heat dissipating capacity demand in (summer or winter).
Technical solution of the present utility model is such: comprise fan shaft belt pulley, first belt, second belt, idle pulley, the 3rd belt and driving wheel, it is characterized in that: driving wheel has idle pulley between the fan shaft belt pulley, driving wheel is to the 3rd belt is arranged between the idle pulley, idle pulley is to first belt and second belt are arranged between the fan shaft belt pulley, the external diameter of fan shaft belt pulley is not equal to, and is small one and large one external diameter.
The external diameter of fan shaft belt pulley has two kinds of external diameters inequality, and the big end external diameter of fan shaft belt pulley is connected with idle pulley by second belt, and fan shaft belt pulley small end external diameter is connected with idle pulley by first belt.
The utility model specifically has following beneficial effect:
1, simple in structure;
2, reduce fan annex wasted work;
3, cost is low;
Description of drawings
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
Among Fig. 1, fan shaft belt pulley (1), first belt (2), second belt (3), idle pulley
(4), the 3rd belt (5), driving wheel (6).
Embodiment
Most preferred embodiment of the present utility model is such, and with reference to accompanying drawing 1, as shown in Figure 1, the utility model variable gear ratio fan shaft belt sheave structure can make fan need not clutch and change speed ratio.Driving wheel (6) has idle pulley (4) between the fan shaft belt pulley (1), and driving wheel (6) has the 3rd belt (5) between the idle pulley (4).It is inequality that idle pulley (4) to fan shaft belt pulley (1) has the external diameter of first belt (2), second belt (3), fan shaft belt pulley (1), a big little external diameter wherein has between small end and the idle pulley (4) between first belt (2), big end and the idle pulley (4) second belt (3) is arranged.Driving wheel (6) is passed to power in fan shaft belt pulley (1) process by idle pulley (4), and the transmission between idle pulley (4) and the fan shaft belt pulley (1) has two kinds of speed ratios.Be that the belt pulley that last two external diameters of fan shaft belt pulley (1) do not wait is connected with idle pulley (4),, form two kinds of different speed ratio structures by the transmission of idle pulley (4).Make the user select suitable velocity ratio at different operating modes, reduce the fan annex wasted work (such as summer heat can select big velocity ratio, winter is cold can select little velocity ratio).
It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technological scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technological scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the claim scope of the present utility model.
Claims (2)
1. variable gear ratio fan shaft belt pulley, comprise fan shaft belt pulley, first belt, second belt, idle pulley, driving wheel, it is characterized in that driving wheel (6) has idle pulley (4) between the fan shaft belt pulley (1), driving wheel (6) has the 3rd belt (5) between the idle pulley (4), idle pulley (4) has first belt (2) between the fan shaft belt pulley (1), second belt (3), the external diameter of fan shaft belt pulley (1) is not equal to, and is small one and large one external diameter.
2. according to the described variable gear ratio fan shaft of claim 1 belt pulley, the external diameter that it is characterized in that fan shaft belt pulley (1) has two kinds of external diameters inequality, fan shaft belt pulley (1) is held external diameter to pass through second belt (3) greatly to be connected with idle pulley (4), and fan shaft belt pulley (1) small end external diameter is connected with idle pulley (4) by first belt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202233874U CN201730844U (en) | 2010-06-11 | 2010-06-11 | Variable ratio fan shaft pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202233874U CN201730844U (en) | 2010-06-11 | 2010-06-11 | Variable ratio fan shaft pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201730844U true CN201730844U (en) | 2011-02-02 |
Family
ID=43522000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202233874U Expired - Fee Related CN201730844U (en) | 2010-06-11 | 2010-06-11 | Variable ratio fan shaft pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201730844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838397A (en) * | 2017-11-24 | 2019-06-04 | 李晓毅 | A kind of sound insulation wall type axial-flow fan |
| CN110848155A (en) * | 2019-10-19 | 2020-02-28 | 徐州康翔精密制造有限公司 | Energy-saving negative-pressure motor installation shell and installation method thereof |
-
2010
- 2010-06-11 CN CN2010202233874U patent/CN201730844U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838397A (en) * | 2017-11-24 | 2019-06-04 | 李晓毅 | A kind of sound insulation wall type axial-flow fan |
| CN110848155A (en) * | 2019-10-19 | 2020-02-28 | 徐州康翔精密制造有限公司 | Energy-saving negative-pressure motor installation shell and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20170611 |