CN201363188Y - Composite double-speed fan clutch - Google Patents
Composite double-speed fan clutch Download PDFInfo
- Publication number
- CN201363188Y CN201363188Y CNU2009200842095U CN200920084209U CN201363188Y CN 201363188 Y CN201363188 Y CN 201363188Y CN U2009200842095 U CNU2009200842095 U CN U2009200842095U CN 200920084209 U CN200920084209 U CN 200920084209U CN 201363188 Y CN201363188 Y CN 201363188Y
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- sprocket wheel
- clutch
- fan
- driven
- small pulley
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Abstract
A composite double-speed fan clutch belongs to transmission device of vehicle engine fan and comprises a transmission part and an electromagnetic clutch which are arranged on a fan spindle (5), a unidirectional overrunning clutch (6) is also arranged on the fan spindle (5), the unidirectional overrunning clutch (6) is connected with a power shaft (12) through a low speed transmission pair, the electromagnetic clutch is connected with the power shaft (12) through a high speed transmission pair. The fan can rotate in high speed or low speed, the speed regulation range is wider, the power consumption of fan is ensured to be the lowest when the engine is effectively cooled so that the composite double-speed fan clutch saves fuel oil, reduces loss and has reasonable design, convenient and reliable control, simple structure and convenient maintenance, facilitates saving fuel oil of engine and reduces tail gas emission, and has higher economical and environmental protection values.
Description
Technical field
The utility model belongs to the transmission device of automobile engine cooling fan, specifically, relates to a kind of combined type two-speed fan clutch.
Background technique
The fan clutch that uses on the motor car engine is an electromagnetic fan clutch at present, and it controls the work of fan by calutron and adhesive dish.Its shortcoming is that the clutch adhesive is more frequent, the impact force of moment adhesive is bigger, and frequent startup and stop the damage of belt and transmission part heavylier even can cause the disconnection of kinematic pair, fan also can't be realized changed speed operation, the too high even phenomenon of boiling of water temperature often occurs.
Chinese patent notification number: CN032176023, the applying date: on May 20th, 2003, a kind of " combination type fan clutch " disclosed, comprise the belt pulley, electromagnetic control apparatus and the silicone oil automatic control device that are positioned on the main shaft, can control the running speed of fan according to the needs of engine water temperature, have fuel-economizing, consumption reduction, the advantage stably that turns round, be adapted at charge inter cooling formula motor, particularly use on the engine at extreme rear formula motor bus.But the silicone oil automatic control device complex structure in this clutch, inconvenient maintenance, the cost height, speed adjustable range is limited, and energy consumption is higher, can't finish fan clutch cooling to motor under the condition of energy resource saving preferably.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned prior art complex structure, and speed adjustable range is limited, and defective that energy consumption is higher and deficiency propose a kind of simple in structurely, and speed governing is convenient, the combined type two-speed fan clutch that energy consumption is lower.
Technical solution of the present utility model is: combined type two-speed fan clutch, comprise the driving component and the magnetic clutch that are positioned on the fan main shaft, also be provided with mono-directional overrun clutch on the described fan main shaft, mono-directional overrun clutch is connected with line shaft through the low speed transmission, and described magnetic clutch is connected with line shaft through the high speed transmission.
Described low speed transmission is by active small pulley or sprocket wheel, driven big belt wheel or sprocket wheel and low speed belt or chain are formed, initiatively small pulley or sprocket wheel are fixed on the line shaft, initiatively small pulley or sprocket wheel are connected with driven big belt wheel or sprocket wheel on being fixed on mono-directional overrun clutch through low speed belt or chain, described high speed transmission is by initiatively big belt wheel or sprocket wheel, driven small pulley or sprocket wheel and high-speed belt or chain are formed, initiatively big belt wheel or sprocket wheel are fixed on the line shaft, initiatively big belt wheel or sprocket wheel are connected with driven small pulley or sprocket wheel through high-speed belt or chain, and driven small pulley or sprocket wheel are connected with the fan main shaft through magnetic clutch.
Described low speed transmission is made up of driver pinion, driven gear, driver pinion is fixed on the line shaft, driving gear is meshed with driven gearwheel on being fixed on mono-directional overrun clutch, described high speed transmission is made up of active gearwheel, driven small gear, initiatively gearwheel is fixed on the line shaft, initiatively gearwheel is meshed with driven small gear, and driven small gear is connected with the fan main shaft through magnetic clutch.
Described magnetic clutch is made up of adhesive dish and solenoid body, the center of adhesive dish is provided with the splined hole that matches with fan main shaft upper spline shaft part, and the card of adhesive dish is arranged on a side of driven small pulley or sprocket wheel, solenoid body is arranged on the opposite side of driven small pulley or sprocket wheel, and driven small pulley or sprocket wheel are connected with the fan main shaft through bearing.
Described magnetic clutch is made up of adhesive dish and solenoid body, the center of adhesive dish is provided with the splined hole that matches with fan main shaft upper spline axle, and the card of adhesive dish is arranged on a side of driven small gear, solenoid body is arranged on the opposite side of driven small gear, and driven small pulley or sprocket wheel are connected with the fan main shaft through bearing.
Described mono-directional overrun clutch is the mono-directional overrun clutch of wedge block type or roller type or chute type.
The beneficial effects of the utility model are: changed motor car engine rotation speed of the fan in the past and can not carry out the deficiency that speed change is regulated according to the cooling needs.Height according to engine cooling water temperature changes, make fan can do respectively at a high speed or slowly run, the speed adjustable range broad, when effectively lowering the temperature for motor, can make the power consumpiton minimum of fan, thereby saved fuel oil, reduced loss, reasonable in design, control convenient and reliable, simple in structure, keep in repair easy, help motor and save fuel oil, reduce exhaust emissions, not only be suitable for the front-located mode motor car engine, also be suitable for rear-mounted high-powered automobiles motor, have the higher economic value and the value of environmental protection.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, active small pulley or sprocket wheel 1, driven big belt wheel or sprocket wheel 2, initiatively big belt wheel or sprocket wheel 3, driven small pulley or sprocket wheel 4, fan main shaft 5, mono-directional overrun clutch 6, adhesive dish 7, solenoid body 8, bearing 9, low speed belt or chain 10, high-speed belt or chain 11, line shaft 12.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail:
Referring to Fig. 1, combined type two-speed fan clutch of the present utility model, comprise the driving component and the magnetic clutch that are positioned on the fan main shaft 5, also be provided with mono-directional overrun clutch 6 on the described fan main shaft 5, mono-directional overrun clutch 6 is connected with line shaft 12 through the low speed transmission, and described magnetic clutch is connected with line shaft 12 through the high speed transmission.
Described low speed transmission is by active small pulley or sprocket wheel 1, driven big belt wheel or sprocket wheel 2 and low speed belt or chain 10 are formed, initiatively small pulley or sprocket wheel 1 are fixed on the line shaft 12, initiatively small pulley or sprocket wheel 1 are connected with driven big belt wheel or sprocket wheel 2 on being fixed on mono-directional overrun clutch 6 through low speed belt or chain 10, described high speed transmission is by initiatively big belt wheel or sprocket wheel 3, driven small pulley or sprocket wheel 4 and high-speed belt or chain 11 are formed, initiatively big belt wheel or sprocket wheel 3 are fixed on the line shaft 12, initiatively big belt wheel or sprocket wheel 3 are connected with driven small pulley or sprocket wheel 4 through high-speed belt or chain 11, and driven small pulley or sprocket wheel 4 are connected with fan main shaft 5 through magnetic clutch.The velocity ratio of high speed transmission is greater than the velocity ratio of low speed transmission.Driven small pulley or sprocket wheel 4 are installed on the fan main shaft 5 by bearing 9, are coating electromagnetic coil 8 in the cavity of driven small pulley or sprocket wheel 4 sidewalls, and electromagnetic coil 8 is fixed on the blower tray.Low speed transmission shown in Fig. 1 and high speed transmission are the drive mechanism of belt and belt pulley, and low speed transmission and high speed transmission also can be the drive mechanisms of chain and sprocket wheel, also can be gear transmission structures.Be that described low speed transmission is made up of driver pinion, driven gear, driver pinion is fixed on the line shaft 12, driving gear is meshed with driven gearwheel on being fixed on mono-directional overrun clutch 6, described high speed transmission is made up of active gearwheel, driven small gear, initiatively gearwheel is fixed on the line shaft 12, initiatively gearwheel is meshed with driven small gear, and driven small gear is connected with fan main shaft 5 through magnetic clutch.
Described magnetic clutch is made up of adhesive dish 7 and solenoid body 8, the center of adhesive dish 7 is provided with the splined hole that matches with fan main shaft 5 upper spline shaft parts, for the drive mechanism of belt and belt pulley or the drive mechanism of chain and sprocket wheel, the card of adhesive dish 7 is arranged on a side of driven small pulley or sprocket wheel 4, solenoid body 8 is arranged on the opposite side of driven small pulley or sprocket wheel 4, and driven small pulley or sprocket wheel 4 are connected with fan main shaft 5 through bearing 9.Be arranged on a side of driven small gear for the card of gear transmission structure adhesive dish 7, solenoid body 8 is arranged on the opposite side of driven small gear, and driven small pulley or sprocket wheel 4 are connected with fan main shaft 5 through bearing 9.
Described mono-directional overrun clutch 6 can adopt general unidirectional wedge-typed overrunning clutch or roller clutch, also can adopt as patent announcement number to be the disclosed chute type mono-directional overrun clutch of CN2428337Y.
When motor car engine work, engine cooling water temperature is low as when 85 degree are following, the power of line shaft 12 is through the low speed transmission and mono-directional overrun clutch 6 drives fan main shaft 5 and fan is done to slowly run, realize the low speed cooling of motor, at this moment the high speed transmission that is connected with line shaft 12 then dallies.When engine cooling water temperature raises as reaches 85 degree when above, temperature detect switch (TDS) is connected circuit, solenoid body 8 energisings in the magnetic clutch produce electromagnetic attraction, adhesive dish 7 is pull-in on driven small pulley or the sprocket wheel 4, perhaps be pull-in on the driven small gear, the power that makes line shaft 12 is through the high speed transmission and adhesive dish 7 drives fan main shafts 5 and fan is made high speed rotating, realizes the quick cooling of motor.At this moment, because the rotating speed of fan main shaft 5 is higher than the rotating speed of low speed transmission and mono-directional overrun clutch 6, mono-directional overrun clutch 6 is thrown off, and the low speed transmission that is connected on the line shaft 12 is then made relative lost motion.When cooling water temperature descends as drops to 76 degree when following, temp control switch disconnects, solenoid body 8 dead electricity, adhesive dish 7 and driven small pulley or sprocket wheel 4 or the disengaging of driven small gear after the magnetic field diminishes, the idle running of high speed transmission, the low speed transmission is done to slowly run through mono-directional overrun clutch 6 drive fan main shafts 4 and fan.Variation along with engine cooling water temperature, magnetic clutch and mono-directional overrun clutch 6 drive fan main shaft 5 respectively and do at a high speed or slowly run, to adapt to the cooling needs of the different operating modes of motor car engine, reach the purpose of energy resource saving, raising motor car engine effect.
Claims (6)
1. combined type two-speed fan clutch, comprise the driving component and the magnetic clutch that are positioned on the fan main shaft (5), it is characterized in that: also be provided with mono-directional overrun clutch (6) on the described fan main shaft (5), mono-directional overrun clutch (6) is connected with line shaft (12) through the low speed transmission, and described magnetic clutch is connected with line shaft (12) through the high speed transmission.
2. combined type two-speed fan clutch according to claim 1, it is characterized in that: described low speed transmission is by active small pulley or sprocket wheel (1), driven big belt wheel or sprocket wheel (2) and low speed belt or chain (10) are formed, initiatively small pulley or sprocket wheel (1) are fixed on the line shaft (12), initiatively small pulley or sprocket wheel (1) are connected with driven big belt wheel or sprocket wheel (2) on being fixed on mono-directional overrun clutch (6) through low speed belt or chain (10), described high speed transmission is by initiatively big belt wheel or sprocket wheel (3), driven small pulley or sprocket wheel (4) and high-speed belt or chain (11) are formed, initiatively big belt wheel or sprocket wheel (3) are fixed on the line shaft (12), initiatively big belt wheel or sprocket wheel (3) are connected with driven small pulley or sprocket wheel (4) through high-speed belt or chain (11), and driven small pulley or sprocket wheel (4) are connected with fan main shaft (5) through magnetic clutch.
3. combined type two-speed fan clutch according to claim 1, it is characterized in that: described low speed transmission is made up of driver pinion, driven gear, driver pinion is fixed on the line shaft (12), driving gear is meshed with driven gearwheel on being fixed on mono-directional overrun clutch (6), described high speed transmission is made up of active gearwheel, driven small gear, initiatively gearwheel is fixed on the line shaft (12), initiatively gearwheel is meshed with driven small gear, and driven small gear is connected with fan main shaft (5) through magnetic clutch.
4. combined type two-speed fan clutch according to claim 1 and 2, it is characterized in that: described magnetic clutch is made up of adhesive dish (7) and solenoid body (8), the center of adhesive dish (7) is provided with the splined hole that matches with fan main shaft (5) upper spline shaft part, and the card of adhesive dish (7) is arranged on a side of driven small pulley or sprocket wheel (4), solenoid body (8) is arranged on the opposite side of driven small pulley or sprocket wheel (4), and driven small pulley or sprocket wheel (4) are connected with fan main shaft (5) through bearing (9).
5. according to claim 1 or 3 described combined type two-speed fan clutches, it is characterized in that: described magnetic clutch is made up of adhesive dish (7) and solenoid body (8), the center of adhesive dish (7) is provided with the splined hole that matches with fan main shaft (5) upper spline axle, and the card of adhesive dish (7) is arranged on a side of driven small gear, solenoid body (8) is arranged on the opposite side of driven small gear, and driven small pulley or sprocket wheel (4) are connected with fan main shaft (5) through bearing (9).
6. combined type two-speed fan clutch according to claim 1 is characterized in that: described mono-directional overrun clutch (6) is the mono-directional overrun clutch of wedge block type or roller type or chute type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200842095U CN201363188Y (en) | 2009-03-17 | 2009-03-17 | Composite double-speed fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200842095U CN201363188Y (en) | 2009-03-17 | 2009-03-17 | Composite double-speed fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201363188Y true CN201363188Y (en) | 2009-12-16 |
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ID=41473851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200842095U Expired - Fee Related CN201363188Y (en) | 2009-03-17 | 2009-03-17 | Composite double-speed fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201363188Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619611A (en) * | 2012-04-19 | 2012-08-01 | 龙口市汽车风扇离合器厂 | Overdrive device and electromagnetic fan clutch with same |
| CN112081885A (en) * | 2020-09-02 | 2020-12-15 | 一汽解放青岛汽车有限公司 | Fan speed regulating device |
| CN112170870A (en) * | 2020-10-21 | 2021-01-05 | 杭州可慧机械科技有限公司 | Digit control machine tool main shaft heat abstractor |
-
2009
- 2009-03-17 CN CNU2009200842095U patent/CN201363188Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619611A (en) * | 2012-04-19 | 2012-08-01 | 龙口市汽车风扇离合器厂 | Overdrive device and electromagnetic fan clutch with same |
| CN102619611B (en) * | 2012-04-19 | 2014-04-16 | 龙口中宇汽车风扇离合器有限公司 | Overdrive device and electromagnetic fan clutch with same |
| CN112081885A (en) * | 2020-09-02 | 2020-12-15 | 一汽解放青岛汽车有限公司 | Fan speed regulating device |
| CN112170870A (en) * | 2020-10-21 | 2021-01-05 | 杭州可慧机械科技有限公司 | Digit control machine tool main shaft heat abstractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20120317 |