CN202991210U - Friction driven three-speed electromagnetic fan clutch - Google Patents
Friction driven three-speed electromagnetic fan clutch Download PDFInfo
- Publication number
- CN202991210U CN202991210U CN2012207330545U CN201220733054U CN202991210U CN 202991210 U CN202991210 U CN 202991210U CN 2012207330545 U CN2012207330545 U CN 2012207330545U CN 201220733054 U CN201220733054 U CN 201220733054U CN 202991210 U CN202991210 U CN 202991210U
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- fan clutch
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Abstract
The utility model discloses a friction driven three-speed electromagnetic fan clutch. According to the friction driven three-speed electromagnetic fan clutch, a bearing middle ring sleeve which is positioned in an inner cavity of a fan fixing disc is fixedly connected with an inner end face of a driving disc frame; at least two guide holes are distributed in the driving disc frame in the radial direction; compression springs are arranged in the guide holes to push telescopic rods elastically, so that the surfaces of friction rollers which are connected to the outer ends of the telescopic rods in a rotational mode are subjected to bonding friction driving and connected with the surface of the inner cavity of the fan fixing disc; and an inner reset spring sheet is connected to the outer end face of the driving disc frame and is elastically connected with the end face of an inner actuation disc. During operation, the time of two-speed differential rotation of fans on the continuous radiating and cooling of operating water temperature of an engine is prolonged, so that the time of converting a two-speed gear into a three-speed gear of the fans repeatedly is reduced, and the power output and fuel consumption of the engine are reduced obviously. According to the friction driven three-speed electromagnetic fan clutch, the compression springs, the telescopic rods and the friction rollers which are low in cost are adopted to replace a plurality of permanent magnets which are high in production cost in the prior art, so that the manufacturing cost of products is reduced effectively.
Description
(1) technical field: the utility model relates to control electromagnetic fan clutch device; Be specifically related to a kind of three-speed electromagnetic fan clutch of friction driving.
(2) background technique: control electromagnetic fan clutch device of the prior art, as Design of The Electromagnetic Fan-clutch, during work, iron-core coil gets electric generating an electromagnetic field, by adhesive dribbling moving magnet fixed tray in the drive plate adhesive, utilize the soft magnet that in described magnet fixed disc end face, casting is connected with, the magnetic force that some block permanent magnets that in fan fixed disk, on resonator end surface, distribution is connected with relatively produce, the differential that fan blade on the drive fan fixed tray is done two-speed rotates, and realizes the radiating and cooling to the engine operation water temperature.Its Shortcomings: the one, be subjected to the restriction of its structure due to described Design of The Electromagnetic Fan-clutch, the quantity of some block permanent magnets that in described fan fixed disk, on resonator end surface, distribution is connected with is also limited to thus, and the driving moment that the magneto drive fan fixed disk that produces in work is rotated is less.When drive fan fixed tray upper volume is large, when the fan blade of Heavy Weight rotates, rotating speed slippage significantly occurs, do not reach the rotating speed requirement of the two-speed differential work of setting.Actual speed after common described fan blade rotating speed slippage can only maintain 600 rev/mins, is 40% of 1500 rev/mins of motor output speeds.Because being in the lower rotating speed of two-speed differential all the time, fan blade works, cause the work water temperature of motor car engine to can not get radiating and cooling in time, sharply be increased to setting value within a short period of time, drive Design of The Electromagnetic Fan-clutch by the temperature controlling device control engine prematurely, the full speed that is switched to three speed by the lower rotating speed of two-speed differential is rotated, and drive fan fixed disk upper volume is large, fan blade Heavy Weight carries out full speed to the engine operation water temperature and rotates radiating and cooling.When the engine operation water temperature was reduced to the high temperature setting value again, temperature controlling device control engine again drove Design of The Electromagnetic Fan-clutch, then is converted to the lower rotary speed working of two-speed differential by the full speed of three speed.Carry out continually thus the conversion repeatedly of two, three fast working speeds.When the engine-driving electromagnetic fan clutch is converted to the full speed rotation work of three speed by the lower rotating speed of two-speed differential, increased significantly power stage and the fuel consume of motor.The 2nd, due to the some block permanent magnets that distribute and be connected with on resonator end surface in described fan fixed disk, cost of production is higher, has increased significantly the manufacture cost of product.
(3) summary of the invention: for the deficiency of above-mentioned prior art existence, the purpose of this utility model is to provide a kind of three-speed electromagnetic fan clutch of friction driving, be intended to improve the rotating speed of fan blade two-speed differential work, with the fuel consume of reduction motor and the manufacture cost of product.
For achieving the above object, the technical solution of the utility model is achieved in that the three-speed electromagnetic fan clutch of this friction driving, and is main by the fan fixed disk that is rotatably connected with by bearing on transmission shaft, and interior adhesive dish consists of; It is that the bearing middle ring sleeve that is positioned at the fan fixed disk inner chamber is connected with the interior edge face that drives plate rail; At least radially direct is provided with two pilot holes on described driving plate rail, be built-in with Compress Spring resiliency urged flexible rod at described pilot hole, the surface of the friction roller that described flexible rod outer end is rotatably connected with is connected with the surface engagement friction driving of fan fixed disk inner chamber; The end face elasticity that is connected with interior reseting spring leaf and interior adhesive dish in the exterior edge face of described driving plate rail is joined.
When implementing technique scheme, the utility model normally on the cylindrical of described driving plate rail radial equipartition be provided with three pilot holes.
The utility model is by taking said structure, in work, the Compress Spring that described flexible rod is built-in with by pilot hole, resiliency urged the surface of flexible rod outer end friction roller and the surface engagement friction of fan fixed disk inner chamber, form larger friction driving moment, drive fan fixed tray upper volume is large, the fan blade of Heavy Weight, carries out work at the two-speed differential of setting with the rotating speed of 1200 rev/mins, is 80% of 1500 rev/mins of motor car engine output speeds.Effectively improved the working speed of fan blade two-speed differential, having extended the rotation of fan blade two-speed differential carries out the time of radiating and cooling continuously to the engine operation water temperature, reduce thus the number of times that fan blade is changed to three speed at full speed repeatedly by the two-speed differential, reduced significantly power stage and the fuel consume of motor.Adopt the low Compress Spring resiliency urged of cost of production the friction roller that the flexible rod outer end is rotatably connected with, substitute and use the higher some block permanent magnets of cost of production in prior art, and cast the soft magnet that is connected with in the magnet fixed disc end face, effectively reduced the manufacture cost of product.
(4) description of drawings:
Fig. 1 is a kind of embodiment's of the utility model sectional view;
Fig. 2 be in Fig. 1 the utility model A-A to the sectional view that drives plate rail 4.
(5) embodiment: Fig. 1, shown in Figure 2.The three-speed electromagnetic fan clutch of this friction driving, main by the fan fixed disk that is rotatably connected with by bearing on transmission shaft, and interior adhesive dish consists of; It is that the bearing middle ring sleeve 2 that is positioned at the fan fixed disk inner chamber is connected with the interior edge face that drives plate rail 4; Radial equipartition is provided with three pilot holes (shown in Figure 2) on the cylindrical of described driving plate rail 4, be built-in with Compress Spring 3 resiliency urged flexible rods 6 at described pilot hole, the surface of the friction roller 8 that described flexible rod outer end is rotatably connected with is connected with the surface engagement friction driving of fan fixed disk 5 inner chambers; Be connected with interior reseting spring leaf 13 and the end face elasticity of interior adhesive dish 12 join (shown in Figure 1) in the exterior edge face of described driving plate rail 4.
the land of the utility model transmission shaft 1 usually and the motor car engine pto＝power take-off join, when motor drives transmission shaft 1 work with output speed with 1500 rev/mins, rotation is connected in the bearing middle ring sleeve 2 on described transmission shaft, drive and drive the surface of passing through three friction rollers 8 of flexible rod 6 resiliency urged on plate rail 4, the surperficial rotational engagement friction of fan fixed disk 5 inner chambers relatively, form friction driving moment, fan blade 7 on drive fan fixed tray 5, carry out a speed idle running (Fig. 1 with the rotating speeds of 200 rev/mins, shown in Figure 2), the water temperature that is positioned at fan blade 7 front end engine operation water tanks is carried out the cyclone heat dissipation cooling.
When the temperature value 80 that reaches setting when the engine operation water temperature is spent, in temperature detect switch (TDS) is controlled, iron-core coil 14 gets electric generating an electromagnetic field, by adhesive dish 12 in drive plate 10 adhesives, under the connection function of interior reseting spring leaf 13, drive the surface of friction roller 8 on driving plate rail 4 and the surperficial rotational engagement friction of fan fixed disk 5 inner chambers, form initiatively friction driving moment; In addition, also by described three flexible rods 6 be connected with the own wt (Fig. 1, shown in Figure 2) of friction roller 8 on it, the centrifugal force that produces in the two-speed rotation work, make described flexible rod 6 along the pilot hole radially outward expansion slippage that drives on plate rail 4, the surface that promotes described friction roller 8 more closely engages friction driving with the surface of fan fixed disk 5 inner chambers and is connected, and forms auxiliary friction driving moment; Above-mentioned active and the auxiliary common moment of friction driving significantly that forms, the differential that drive fan fixed tray upper volume is large, the fan blade 7 of Heavy Weight carries out two-speed is 80% of 1500 rev/mins of motor car engine output speeds with the rotary speed working of 1200 rev/mins.Effectively extend the rotation of fan blade two-speed differential the engine operation water temperature has been carried out the time of radiating and cooling continuously, reduced thus the number of times that fan blade is changed to three speed at full speed by the two-speed differential, reduced significantly power stage and the fuel consume of motor.
When motor car engine work water temperature slowly rises to high temperature setting value 86 and spends, temperature detect switch (TDS) is controlled outer iron core coil 11 and is got electric generating an electromagnetic field, by the outer adhesive dish 9 of drive plate 10 adhesives directly drive fan fixed disk 5 upper volume greatly, the fan blade 7 of Heavy Weight, with 1500 rev/mins of the full speed rotating speeds of three speed, the engine operation water temperature is carried out radiating and cooling (shown in Figure 1).
When the engine operation water temperature is reduced to setting value 80 and spends, temperature detect switch (TDS) is controlled 11 outages of outer iron core coil, magnetic field diminishes, separate with the end joined of drive plate 10 reset (shown in Figure 1) under the elastic force effect of reseting spring leaf outside of the end face of outer adhesive dish 9, fan blade 7 stops the full speed rotation work of three speed.This moment, fan fixed disk continue to drive fan blade 7 with the rotary speed working of 1200 rev/mins of the differentials of two-speed, carried out for a long time to engine operation water temperature radiating and cooling.
When the engine operation water temperature continues to be reduced to setting value 76 and spends, iron-core coil 14 outages in temperature detect switch (TDS) is controlled, magnetic field diminishes, the end face of interior adhesive dish 12 separates with the end joined of drive plate 10 reset (shown in Figure 1) under the elastic force effect of interior reseting spring leaf 13, fan blade stops two-speed differential rotation work.Rotating speed with a speed idle running carries out radiating and cooling to the engine operation water temperature.
The above is only preferred implementation of the present utility model.Be noted that for those of ordinary skill in the art under the prerequisite that does not break away from the principle of the invention; other technical characteristics that need not just can associate through creative work; can also make modification and/or the improvement of several basic identical mode; realize essentially identical function and produce essentially identical effect; these variations should be considered as equivalent feature, within all belonging to the protection domain of the utility model patent.
Claims (2)
1. the three-speed electromagnetic fan clutch of a friction driving, main by the fan fixed disk that is rotatably connected with by bearing on transmission shaft, and interior adhesive dish consists of; It is characterized in that: the bearing middle ring sleeve (2) that is positioned at the fan fixed disk inner chamber is connected with the interior edge face that drives plate rail (4); At least radially direct is provided with two pilot holes on described driving plate rail, be built-in with Compress Spring (3) resiliency urged flexible rod (6) at described pilot hole, the surface of the friction roller (8) that described flexible rod outer end is rotatably connected with is connected with the surface engagement friction driving of fan fixed disk (5) inner chamber; Be connected with interior reseting spring leaf (13) joins with the end face elasticity of interior adhesive dish (12) in the exterior edge face of described driving plate rail (4).
2. the three-speed electromagnetic fan clutch of a kind of friction driving according to claim 1, it is characterized in that: radial equipartition is provided with three pilot holes on the cylindrical of described driving plate rail (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207330545U CN202991210U (en) | 2012-12-18 | 2012-12-18 | Friction driven three-speed electromagnetic fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207330545U CN202991210U (en) | 2012-12-18 | 2012-12-18 | Friction driven three-speed electromagnetic fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991210U true CN202991210U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207330545U Expired - Fee Related CN202991210U (en) | 2012-12-18 | 2012-12-18 | Friction driven three-speed electromagnetic fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016130A (en) * | 2012-12-18 | 2013-04-03 | 王桂岳 | Three-speed electromagnetic fan clutch with friction drive |
| CN103939495A (en) * | 2014-03-18 | 2014-07-23 | 龙口中宇机械有限公司 | Electromagnetic fan clutch |
-
2012
- 2012-12-18 CN CN2012207330545U patent/CN202991210U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016130A (en) * | 2012-12-18 | 2013-04-03 | 王桂岳 | Three-speed electromagnetic fan clutch with friction drive |
| CN103939495A (en) * | 2014-03-18 | 2014-07-23 | 龙口中宇机械有限公司 | Electromagnetic fan clutch |
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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 |
Granted publication date: 20130612 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |