CN207261100U - A kind of silicon oil filled fan clutch - Google Patents

Abstract

A kind of silicon oil filled fan clutch, active plate, valve block mechanism and the matched follower plate of the active plate and the accumulator being connected including driving shaft, with the driving shaft, fuel feed hole is provided with the active plate, the accumulator includes partition plate and the oil storage tank being arranged on the active plate, the oil input channel being connected with the fuel feed hole is provided with the oil storage tank, the oil input channel is more than zero along clutch circumferential direction development length.Had the following advantages that compared with prior art according to a kind of silicon oil filled fan clutch provided by the utility model：Silicone oil disengaging shoe cream room effectively can be controlled and guided, avoid during cold start or causes working machine operating to produce unnecessary energy consumption, the silicon oil filled fan clutch for reducing cold car abrasion, improving reaction clutch ability, reducing automobile entirety energy consumption because silicone oil leaks into working chamber during cold weather.

Description

A kind of silicon oil filled fan clutch

Technical field

It the utility model is related to a kind of clutch, more particularly to a kind of silicon oil filled fan clutch.

Background technology

The clutch that automotive field uses is mainly several including slip clutch, fluid coupling and electromagnetic clutch, And wherein silicon oil clutch is as one kind in fluid coupling, because it has the function of Flexible Transmission, can be run in engine In change output torque and output speed by adjusting the filling amount of clutch working chamber, slow down impact and the isolation work(such as torsional oscillation Can, and it is widely used in automotive field.However, showing according to related research data, silicon-oil fan at present on the market is used Clutch causes the 5%-10% that the energy consumption accounting on automobile engine heat radiation always consumes energy, and actually works in automobile power machine Most of the time and operating mode under and need not radiate to engine, for example just started in cold snap or in cold car When.Therefore, how to realize that silicon oil clutch efficiently controls working machine and runs under proper condition, to reduce energy consumption, ensure wind Fan just brings into operation in the case where only needing work, becomes those skilled in the art's technical problem urgently to be resolved hurrily.

The general work principle of electric-control silicone oil fan clutch is：After valve block authorities pwm pulse open signal, valve Piece opens fuel feed hole, and the silicone oil in accumulator will enter the maze trough of working chamber via fuel feed hole under the influence of centrifugal force Place, sticky larger due to silicone oil, the viscous shear of silicone oil promotes the front shroud of clutch and back casing to follow active plate to revolve Turn, and then drive the fan rotation being fixed on back casing；Silicone oil is more at the maze trough of working chamber, the torque of clutch transmission Bigger, the slippage of clutch is also smaller, and the rotating speed of respective fans is also higher, air quantity increase；When valve block authorities pwm pulse closes After closing signal, valve block closes fuel feed hole, and the silicone oil in accumulator is not entered back at the maze trough of working chamber, works at the same time the fan of chamber Silicone oil at the groove of palace is but back to accumulator by drainback passage under the action of the centrifugal force, the silicone oil at such working chamber maze trough Reduce, the torque of clutch transmission diminishes, and slippage increase, rotation speed of the fan reduces, and air quantity reduces.

Usually, when engine remains static (parking or cold car state), electric-control silicone oil fan clutch storage The oil outlet of oil pocket is generally the oil outlet that open state i.e. valve block opens shoe cream room, and silicone oil is in shoe cream room due to gravity Lower part the lower part of clutch working chamber is even flowed to by the gap of oil outlet or other shoe cream rooms.When engine has just been opened When beginning to operate (cold car just starts), the rotating ratio of clutch driving shaft is relatively low, and centrifugal force is smaller, under clutch working chamber The silicone oil oil return adynamia in portion, recirculating oil quantity is few, and the substantially no slippage of clutch is so as to cause working machine to operate.And in cold car In the case of just starting, to reduce cold car abrasion, avoiding working machine operating from producing without necessary energy consumption, clutch shoe cream room In silicone oil clutch working chamber had better not be flowed into engine inactive state.

The situation of currently available technology is as follows：On January 11st, 2017 Granted publication it is entitled：A kind of new electronic control silicone oil from Clutch, Authorization Notice No. are the utility model patent of CN205876473U, disclose a kind of new electronic control silicon oil clutch, including Protecgulum 1, rear cover 6, driving disc spacing pressing 5, ring flange 7, electric control solenoid assembly 8, control valve rod 2, the rigidity of protecgulum 1 and rear cover 6 connect Connect, the driving disc spacing pressing 5 is between protecgulum 1 and rear cover 6 and is connected in flange shaft 7, is set between the rear cover 6 and flange shaft 7 Rear cover bearing 3 is equipped with, the flange shaft 7 is assembled on the engine, and the electric control solenoid assembly 8 is located in the rear side of rear cover 6, its It is characterized in that：Working chamber ring tooth 9 and the shoe cream room 4 of annular are disposed with the driving disc spacing pressing 5, is stamped and separates on the shoe cream room 4 Disk 10, has been arranged circumferentially multiple oil guide grooves 53 on the driving disc spacing pressing 5, the first oil outlet 51, silicon is provided with the shoe cream room 4 Oil 58 enters working chamber ring tooth 9 by the first oil outlet 51, and stifled oily boss 55, the storage are provided with the first oil outlet 51 Oil pocket 4 is communicated with oil return hole 56, and the oil return hole 56 sends silicone oil 58 back to shoe cream room 4 by return pressure pump 57.The oil return Hole 56 is located in driving disc spacing pressing 5, and one end connection shoe cream room 4 of the oil return hole 56, the other end of the oil return hole 56 extends to master 5 outer rim of Moving plate, the return pressure pump is in the outer rim of driving disc spacing pressing 5.Existing for the technical solution that the utility model is provided Problem is：It is not provided with shoe cream room for guiding silicone oil into and out of the circumferential passageway of shoe cream room.Static shape is in engine During state (parking or cold car state), silicone oil in clutch shoe cream room be in the lower part or even very of shoe cream room due to gravity Clutch working chamber is easily flowed to by the gap of oil outlet or other shoe cream rooms, when cold car just starts, clutch Rotating ratio it is relatively low, centrifugal force is smaller, and the silicone oil oil return adynamia positioned at clutch working chamber lower part, recirculating oil quantity is few, from The substantially no slippage of clutch is so as to the abrasion for causing the unnecessary energy consumption of working machine operating generation, accelerating cold car.It may be noted that It is：Under cold car state, gravity in addition, when clutch shoe cream room fuel-displaced hole site just with silicone oil liquid level in shoe cream room Maintain an equal level or higher than silicone oil liquid level in shoe cream room, even if valve block is opened at this time, silicone oil will not flow at the oil outlet of shoe cream room Enter clutch working chamber, but the time that such case occurs is very short, is influenced during the entire process of clutch operating little.

On July 18th, 2012 is announced entitled：Efficient flow-guide electric-control silicone oil fan clutch, application publication number are The application for a patent for invention of CN102588064A, discloses a kind of efficient flow-guide electric-control silicone oil fan clutch assembly, including master Moving axis 2, housing 6, active plate 7, follower plate 10, protecgulum 12, are equipped with fan 16 on the housing 6, equipped with electricity on the driving shaft 2 Electromagnetic valve component 3, it is characterised in that：Magnetic conduction sheet 11 is housed on the active plate 7 and at driving shaft 2, in the active plate Shoe cream room is equipped with 7 and between follower plate 10, the circulating oil path 17 communicated with the shoe cream room 9 is equipped with the protecgulum 12, Between the housing 6 and active plate 7, between protecgulum 12 and active plate 7 be equipped with communicated with the shoe cream room 9, circulating oil path 17 Working chamber 18.Technical solution provided by the present invention there are the problem of it is similar to above.

Utility model content

The utility model is in view of the deficiencies of the prior art, there is provided one kind effectively can control and guide silicone oil to pass in and out oil storage Chamber, avoid during cold start or cause working machine operating to produce unnecessary energy because silicone oil leaks into working chamber during cold weather The silicon oil filled fan clutch for consuming, reducing cold car abrasion, improving reaction clutch ability, reduce automobile entirety energy consumption.

In order to solve the above technical problems, technical solution mainly includes used by the utility model：

A kind of silicon oil filled fan clutch, including driving shaft, the active plate being connected with the driving shaft, valve block mechanism, with The matched follower plate of the active plate and accumulator, are provided with fuel feed hole on the active plate, the valve block mechanism includes Valve block, one end of the valve block are engaged with the fuel feed hole on the active plate, and the accumulator includes partition plate and is arranged on Oil storage tank on the active plate, is provided with the oil input channel being connected with the fuel feed hole, the oil input channel in the oil storage tank It is more than zero along clutch circumferential direction development length.The oil input channel is independently disposed in the oil storage tank, wherein the oil inlet The road wall in road is not connected with oil storage tank.Preferably, the oil input channel in a tubular form, and the pipe diameter of the oil input channel and institute The diameter length for stating fuel feed hole is equal；Or the rectangular groove body of oil input channel, and the rectangle groove body width of the oil input channel with The diameter length of fuel feed hole is equal.The extending direction of the oil input channel is not limited to only along clutch circumferential direction extend, such as described Oil input channel can also along clutch shaft to and/or radial direction extend, the oil input channel is along clutch circumferential direction development length More than zero.Wherein, a quarter of the oil input channel along clutch circumferential direction development length for oil storage tank circumferential direction girth To between half, or the oil input channel first end and second end along the phase angle of clutch circumferential direction for 90 to 180 degree.Preferably, channel-shaped, the oil input channel are described only along oil storage tank external annulus circumferentially extending in a ring for the oil storage tank Oil input channel is integrally arc-shaped, and the oil input channel is oil storage tank outer shroud girth along oil storage tank external annulus circumferentially extending length A quarter is between half, or phase angle of the first end and second end along clutch circumferential direction of the oil input channel For 90 to 180 degree.

Wherein, oil return hole is provided with the active plate and/or the partition plate, is provided with the oil storage tank and described time The back oil road that oilhole is connected, the back oil road are more than zero along clutch circumferential direction development length.The back oil road is independently set It is placed in the oil storage tank, wherein the road wall of the back oil road is not connected with oil storage tank.Preferably, the back oil road is in pipe Shape, and the pipe diameter of the back oil road is equal with the diameter length of the oil return hole；Or the rectangular groove body of back oil road, And the rectangle groove body width of the back oil road is equal with the diameter length of oil return hole.The extending direction of the back oil road is not limited to only Along clutch circumferential direction extend, such as the back oil road can also along clutch shaft to and/or radial direction extend, the oil return Road is more than zero along clutch circumferential direction development length.

Wherein, a quarter of the back oil road along clutch circumferential direction development length for oil storage tank circumferential direction girth To between half, or the back oil road first end and second end along the phase angle of clutch circumferential direction for 90 to 180 degree.Preferably, channel-shaped, the back oil road are described only along oil storage tank internal ring wall circumferentially extending in a ring for the oil storage tank Back oil road is integrally arc-shaped, and the back oil road is oil storage tank inner ring girth along oil storage tank internal ring wall circumferentially extending length A quarter is between half, or phase angle of the first end and second end along clutch circumferential direction of the back oil road For 90 to 180 degree.

Wherein, positive stop lug boss is provided with the active plate, the partition plate matches with the positive stop lug boss on the active plate Merge to close the oil storage tank, the accumulator only takes out the fuel feed hole and the oil return hole in.Preferably, the storage Channel-shaped, the partition plate are in circular ring shape to oil groove in a ring, and the shape of the partition plate is engaged with the oil storage tank, and the partition plate is by institute The top seal of oil storage tank is stated, prevents from leaking into clutch work in gap of the silicone oil from accumulator outside fuel feed hole, oil return hole Make in chamber, the outer rim of the partition plate at the top of the oil storage tank external annulus with being connected, and the inner edge of the partition plate and the limit Position boss is connected.Preferably, the outer rim of the partition plate be welded at the top of the oil storage tank external annulus, the inner edge of the partition plate with The positive stop lug boss mutually welds.

Wherein, drainback passage, the drainback passage and the oil return are provided with the active plate and/or the follower plate Hole is connected.Maze trough is both provided with the active plate and the follower plate, the drainback passage is placed in the active plate And/or inside follower plate, and the radial span of the drainback passage is more than the radial span of maze trough.Preferably, the oil return Passage includes main drainback passage and secondary drainback passage, the drainback passage in a tubular form, the pipe diameter of the drainback passage and institute It is equal to state oil return bore dia, the pair drainback passage includes leading back to passage and access passage, and the passage that leads back to is returned with the master Oily passage is mutually abutted against, and the access passage is connected with the passage that leads back to, and the access passage is connected with the oil return hole. When silicone oil is flowed back by the drainback passage, the pressure of an impedance silicone oil reflux is easily formed in drainback passage, is passed through The main drainback passage is mutually abutted against setting with passage is led back to, this pressure can be eased in the afterbody of main drainback passage, more Be conducive to oil return.

Wherein, the drainback passage extends along clutch radial direction.The drainback passage could be provided as along clutch Radial direction extends, and may be set to be in a certain angle with clutch radial direction.Preferably, the main drainback passage along from Clutch radial direction extends.

Wherein, an at least through hole is provided with the active plate.The through hole causes silicone oil at two of the active plate Work is mutually shuttled between side, it is preferable that the through hole includes getting rid of oilhole, gap oil-through hole and maze trough oil-through hole, described Get rid of oilhole and be arranged on maze trough position on active plate, its quantity is five, and the gap oil-through hole is arranged on active plate Between working chamber where accumulator and maze trough, its quantity is three, and the maze trough oil-through hole is one.The gap mistake The position of oilhole and get rid of the structure of oilhole and cause silicone oil easily to engage side with back casing from active plate in the nearly shaft core position of active plate Face moves to active plate and front shroud engagement sides, and is not easy to connect from active plate and back casing in the remote shaft core position of active plate Flank movement is closed to active plate and front shroud engagement sides.When clutch operates, due to the distal shaft in active plate maze trough Centrifugal force of the centrifugal force suffered by compared with the silicone oil of shaft core position near in active plate maze trough suffered by the silicone oil of heart position Greatly, silicone oil can be more easily thrown on active plate outer end face, be conducive to oil return.

Wherein, be provided with the active plate outer end face and scrape oil clot, it is described scrape oil clot and the drainback passage enter oilhole It is engaged.Preferably, oil clot and the active plate outer end face scraped is affixed or described scrape oil clot and active plate one Shaping.According to principle of hydrodynamics, for the active plate in operation process, the anterior of oil clot of scraping forms a low-pressure area One pumping forces of anterior formation of oil clot are being scraped, silicone oil is entered easily by oilhole is entered in drainback passage, oil return power is good.

Wherein, the oil clot of scraping is prismatoid.Preferably, the oil clot of scraping uses aluminum alloy materials.

Technical solution provided by the utility model efficiently controls and guides silicone oil to avoid cold car from opening into and out of accumulator Working machine operating is caused to produce unnecessary energy consumption, reduction when dynamic or during cold weather because silicone oil leaks into clutch working chamber Cold car abrasion, the silicon oil filled fan clutch for improving reaction clutch ability, reducing automobile entirety energy consumption.By using above-mentioned practicality New provided technical solution, can make clutch on-off is thorough, be quick on the draw, reacts duration to shorten, reduce unnecessary Energy consumption.Shown according to experiment, in the case where providing pwm pulse signal, clutch driving shaft rotating speed is certain, using above-mentioned technology The clutch of scheme can separate in 40 seconds, be quick on the draw, clutch is thorough, reduces energy consumption.

Brief description of the drawings

Fig. 1 is silicon oil filled fan clutch decomposition texture schematic diagram.

Fig. 2 is accumulator face active plate structure schematic diagram.

Fig. 3 is active plate structural perspective.

Fig. 4 is A portions enlarged drawing in Fig. 3.

Fig. 5 is clutch separation duration Line Chart after the utility model valve block authorities pwm pulse signal.

Embodiment

In order to preferably illustrate the technical solution that the utility model is included, it is carried out specifically below in conjunction with the accompanying drawings It is bright：

Referring to shown in Fig. 1 and Fig. 2, a kind of silicon oil filled fan clutch, including driving shaft 1, the active that is connected with driving shaft 1 Plate 3, valve block mechanism 4, with the matched follower plate 2 of active plate 3 and accumulator 5, be provided with fuel feed hole 31, valve on active plate 3 Piece mechanism 4 includes valve block 41, and one end of valve block 41 is engaged with the fuel feed hole 31 on active plate 3, accumulator 5 include partition plate 51 with And the oil storage tank 33 on active plate 3 is arranged on, the oil input channel 310 being connected with fuel feed hole 31, oil inlet are provided with oil storage tank 33 Road 310 is more than zero along clutch circumferential direction development length.Oil input channel 310 is independently disposed in oil storage tank 33, wherein oil input channel 310 road wall is not connected with oil storage tank 33.Preferably, oil input channel 310 in a tubular form, and the pipe diameter of oil input channel 310 with into The diameter length of oilhole 31 is equal；Or 310 rectangular groove body of oil input channel, and the rectangle groove body width of oil input channel 310 and oil inlet The diameter length in hole 31 is equal.It is to be understood that the extending direction of oil input channel 310 is not limited to only along clutch circumferential direction prolong Stretch.The circumferential passageway for guiding silicone oil from fuel feed hole 31 into clutch working chamber, oil input channel 310 are provided with oil storage tank 33 First end be connected with fuel feed hole 31, the second end of oil input channel 310 is connected with oil storage tank 33, and oil input channel 310 is independently arranged In oil storage tank 33, therefore, need first to be advanced into oil storage tank before silicone oil enters clutch working chamber by fuel feed hole 31 Oil input channel 310 in 33 could smoothly enter clutch working chamber from fuel feed hole 31.Remain static and (stop in engine Or cold car state) when, silicone oil in clutch accumulator 5 is since gravity is in the lower part of accumulator 5, if fuel feed hole 31 horizontal level is below or equal to the fluid level position of silicone oil in accumulator 5, then in parking or cold car state, Silicone oil can be leak into clutch working chamber from fuel feed hole 31, once cold start, will be because of existing in clutch working chamber The silicone oil that leaks into and cause working machine to operate, cause unnecessary energy consumption.And technical solution provided by the utility model causes Silicone oil needs first to be advanced into could enter clutch work along the oil input channel 310 of clutch circumferential direction extension by fuel feed hole 31 Make chamber.When the fluid level position of silicone oil during the horizontal level of fuel feed hole 31 is turned to below or equal to accumulator 5, because Silicone oil needs first to be advanced into oil input channel 310 and oil input channel 310 is independently arranged, allow in oil storage tank 33 oil input channel 310 with Outer most of silicone oil is isolated, and cannot be leak into clutch working chamber, would not be because of work in cold start Leak into excessive silicone oil in chamber and so that working machine operating causes unnecessary energy consumption.It is to be noted that：Under cold car state, add Gravity, when the fuel feed hole 31 in clutch accumulator 5 horizontal level be just above accumulator 5 in silicone oil liquid level water Prosposition is put, even if fuel feed hole 31 is in open state at this time, silicone oil will not flow into clutch at the fuel feed hole 31 of accumulator 5 Working chamber, but the time that such case occurs is very short, is influenced during the entire process of clutch operating little.

Referring to shown in Fig. 1 and Fig. 2, oil input channel 310 is 33 circumferential direction of oil storage tank along clutch circumferential direction development length The a quarter of girth between half, or oil input channel 310 first end and second end along clutch circumferential direction Phase angle is 90-180 degree.Preferably, channel-shaped, oil input channel 310 only circumferentially prolong oil storage tank 33 along 33 external annulus of oil storage tank in a ring Stretch, oil input channel 310 is overall to be arc-shaped, and oil input channel 310 is 33 outer shroud of oil storage tank along 33 external annulus of oil storage tank circumferentially extending length The a quarter of girth between half, or oil input channel 310 first end and second end along clutch circumferential direction Phase angle is 90 to 180 degree.In clutch general work state, the silicone oil amount in clutch accumulator 5 is total between accumulator 5 Between the 0% to 100% of capacity.Oil input channel 310 is 33 outer shroud girth of oil storage tank along 33 external annulus of oil storage tank circumferentially extending length A quarter between half or oil input channel 310 phase angle of the first end and second end along clutch circumferential direction For 90 to 180 degree, can the opposite silicone oil amount ensured in accumulator 5 account for more than the 50% of 5 total capacity of accumulator, and then can protect The silicone oil amount demonstrate,proved in clutch working chamber is relatively reasonable, and is unlikely to because the silicone oil in clutch working chamber causes clutch too much Reaction time is long.

Referring to shown in Fig. 1 and Fig. 2, oil return hole 32 is provided with active plate 3 and/or partition plate 51, is provided with oil storage tank 33 The back oil road 320 being connected with oil return hole 32, back oil road 320 are more than zero along clutch circumferential direction development length.Back oil road 320 It is independently disposed in oil storage tank 33, the road wall of wherein back oil road 320 is not connected with oil storage tank 33.Preferably, back oil road 320 is in Tubulose, and the pipe diameter of back oil road 320 is equal with the diameter length of oil return hole 32；Or 320 rectangular groove body of back oil road, and The rectangle groove body width of back oil road 320 is equal with the diameter length of oil return hole 32.The extending direction of back oil road 320 is also not necessarily limited to only Extend along clutch circumferential direction, back oil road 320 is more than zero along clutch circumferential direction development length.Due to the oil return hole It is arranged in the accumulator, inevitably also has silicone oil and leak into phenomenon in clutch working chamber, in order to avoid this Situation occurs, and the utility model proposes above-mentioned technical proposal, concrete principle refers to the above.

Referring to shown in Fig. 1 and Fig. 2, back oil road 320 is 33 circumferential direction of oil storage tank along clutch circumferential direction development length The a quarter of girth between half, or back oil road 320 first end and second end along clutch circumferential direction Phase angle is 90-180 degree.Preferably, channel-shaped, back oil road 320 only circumferentially prolong oil storage tank 33 along 33 internal ring wall of oil storage tank in a ring Stretch, back oil road 320 is overall to be arc-shaped, and back oil road 320 is oil storage tank inner circumference along 33 internal ring wall of oil storage tank circumferentially extending length Long a quarter is between half, or phase of the first end and second end along clutch circumferential direction of the back oil road Parallactic angle is 90 to 180 degree.Similarly, in order to ensure that the silicone oil amount in clutch working chamber is relatively reasonable, and it is unlikely to because of clutch Silicone oil in device working chamber causes reaction clutch overlong time too much, specific former the utility model proposes above-mentioned technical proposal Reason refers to the above.

It is shown in Figure 1, positive stop lug boss 30, partition plate 51 and 30 phase of positive stop lug boss on active plate 3 are provided with active plate 3 Oil storage tank 33 is closed with merging, accumulator 5 only takes out fuel feed hole 31 and oil return hole 32 in.Preferably, the groove in a ring of oil storage tank 33 Shape, partition plate 51 are in circular ring shape.The shape of partition plate 51 is engaged with oil storage tank 33, and partition plate 51 prevents the top seal of oil storage tank 33 Only leaked into gap of the silicone oil from accumulator 5 outside fuel feed hole 31, oil return hole 32 in clutch working chamber, outside partition plate 51 Edge at the top of 33 external annulus of oil storage tank with being connected, and the inner edge of partition plate 51 is connected with positive stop lug boss 30.Preferably, partition plate 51 Outer rim be welded at the top of 33 external annulus of oil storage tank, the inner edge of partition plate 51 and the welding of 30 phase of positive stop lug boss.

Referring to drainback passage 34 shown in Fig. 3 and Fig. 4, is provided with active plate 3 and/or follower plate 2, drainback passage 34 is with returning Oilhole 32 is connected.Be both provided with maze trough on active plate 3 and follower plate 2, drainback passage 34 be placed in active plate 3 and/or from Inside movable plate 2, and the radial span of drainback passage 34 is more than the radial span of maze trough.Preferably, drainback passage 34 includes master Drainback passage 341 and secondary drainback passage, drainback passage 34 in a tubular form, pipe diameter and the 32 diameter phase of oil return hole of drainback passage 34 Include leading back to passage 342 and access passage 343 Deng, secondary drainback passage, lead back to passage 342 is abutted against with main 341 phase of drainback passage, connects Enter passage 343 and be connected with leading back to passage 342, access passage 343 is connected with oil return hole 32.When silicone oil passes through drainback passage 34 During reflux, the pressure of an impedance silicone oil reflux is easily formed in drainback passage 34, by main drainback passage 341 and is led back to logical 342 phase of road is abutted against setting, this pressure can be eased in the afterbody of main drainback passage 341, be more advantageous to oil return.

Referring to shown in Fig. 3 and Fig. 4, drainback passage 34 extends along clutch radial direction.Drainback passage 34 could be provided as Extend along clutch radial direction, may be set to be in a certain angle with clutch radial direction.Preferably, main drainback passage 341 extend along clutch radial direction.

Referring to shown in Fig. 2 and Fig. 3, being provided with an at least through hole 35 on active plate 3.Through hole 35 causes silicone oil in active plate 3 Two work sides between mutually shuttle, it is preferable that through hole 35 include get rid of oilhole, gap oil-through hole and maze trough oil-through hole, Get rid of oilhole and be arranged on maze trough position on active plate 3, its quantity can be five, and gap oil-through hole is arranged on active plate 3 Between working chamber where upper accumulator 5 and maze trough, its quantity can be three, and maze trough oil-through hole can be one.Seam The position of gap oil-through hole causes accumulator 5 of the silicone oil easily in 3 nearly shaft core position of active plate from active plate 3 with the structure for getting rid of oilhole Face moves to 5 face of accumulator back to face, and is not easy to move from 5 face of accumulator back to face in 3 remote shaft core position of active plate To 5 face of accumulator.When clutch operates, due to suffered by the silicone oil of remote shaft core position in 3 maze trough of active plate from Mental and physical efforts are big compared with the centrifugal force suffered by the silicone oil of shaft core position near in 3 maze trough of active plate, silicone oil can more easily by It is thrown on 3 outer end face of active plate, is conducive to oil return.

Referring to shown in Fig. 2 and Fig. 3, it is provided with 3 outer end face of active plate and scrapes oil clot 36, scrapes oil clot 36 and drainback passage 34 Enter oilhole 340 to be engaged.Preferably, it is affixed or described scrape oil clot 36 and the active that oil clot 36 and 3 outer end face of active plate are scraped Plate 3 is integrally formed.According to principle of hydrodynamics, active plate 3 scrapes the anterior of oil clot 36 and forms a low pressure in operation process Area is to scrape one pumping forces of anterior formation of oil clot 36, silicone oil is entered easily by oilhole 340 is entered in drainback passage 34, return Oily power is good.

It is prismatoid referring to oil clot 36 shown in Fig. 2 and Fig. 3, is scraped.Preferably, scrape oil clot 36 and use aluminum alloy materials.

Shown in Figure 5, in the case where providing pwm pulse signal, clutch driving shaft rotating speed is certain, using above-mentioned skill The clutch of art scheme can separate in 40 seconds, be quick on the draw, clutch is thorough, reduces energy consumption.

Although finally it is pointed out that the utility model has elaborated above-mentioned specific embodiment, this area is directed to Those of ordinary skill for, it can be understood as do not depart from the utility model principle and spirit in the case of, can be to the implementation Example is converted, and the scope of protection of the utility model is limited by appended claim and its equivalent.

Claims (10)

1. a kind of silicon oil filled fan clutch, including driving shaft, the active plate being connected with the driving shaft, valve block mechanism and institute The matched follower plate of active plate and accumulator are stated, fuel feed hole is provided with the active plate, the accumulator includes partition plate And it is arranged on the oil storage tank on the active plate, it is characterised in that：It is provided with the oil storage tank and is connected with the fuel feed hole Logical oil input channel, the oil input channel are more than zero along clutch circumferential direction development length.

A kind of 2. silicon oil filled fan clutch according to claim 1, it is characterised in that：The oil input channel is circumferential along clutch Direction development length for oil storage tank circumferential direction girth a quarter between half, or the first of the oil input channel End and second end are 90 to 180 degree along the phase angle of clutch circumferential direction.

A kind of 3. silicon oil filled fan clutch according to claim 1, it is characterised in that：The active plate and/or it is described every Oil return hole is provided with plate, is provided with the back oil road being connected with the oil return hole in the oil storage tank, the back oil road along from Clutch circumferential direction development length is more than zero.

A kind of 4. silicon oil filled fan clutch according to claim 3, it is characterised in that：The back oil road is circumferential along clutch Direction development length in a quarter for oil storage tank circumferential direction girth between half, or the of the back oil road One end and second end are 90 to 180 degree along the phase angle of clutch circumferential direction.

A kind of 5. silicon oil filled fan clutch according to claim 3, it is characterised in that：It is provided with the active plate spacing Boss, the partition plate match with the positive stop lug boss on the active plate and merge to close the oil storage tank, and the accumulator is only Take out the fuel feed hole and the oil return hole in.

A kind of 6. silicon oil filled fan clutch according to claim 1, it is characterised in that：The active plate and/or it is described from Drainback passage is provided with movable plate, the drainback passage is connected with the oil return hole.

A kind of 7. silicon oil filled fan clutch according to claim 6, it is characterised in that：The drainback passage is along clutch footpath Extend to direction.

A kind of 8. silicon oil filled fan clutch according to claim 1, it is characterised in that：It is provided with least on the active plate One through hole.

A kind of 9. silicon oil filled fan clutch according to claim 6, it is characterised in that：Set on the active plate outer end face Oil clot is scraped, the oil clot of scraping is engaged with the oilhole that enters of the drainback passage.

A kind of 10. silicon oil filled fan clutch according to claim 9, it is characterised in that：The oil clot of scraping is prismatoid.