CN208633912U - A kind of new electronic control silicon oil clutch - Google Patents

Abstract

The utility model proposes a kind of new electronic control silicon oil clutch, front cover including shell and in front of shell, it is working chamber between both, it further include drive shaft, pass through bearing adapter between the drive shaft and shell, described drive shaft one end is located in working chamber and is fixed with driving disc spacing pressing, damping ring is equipped on the driving disc spacing pressing and front cover face relative to each other, the shell rear is equipped with control coil, shoe cream room is equipped in the shell, the shoe cream room is towards the oil outlet being equipped at the outer rim end face of working chamber side towards working chamber, the oil outlet is opened or closed by valve block realization；One section of oil-recovery tank opened up along its cylindrical wall circumferential direction is equipped in the front cover, the oil-recovery tank both ends are equipped with the boss towards shell axial direction protrusion, the shell and preceding cover outer wall are equipped with several engaging lugs being uniformly arranged, and the shell is equipped with the oil return hole being connected to shoe cream room.The utility model is convenient for production, and heat dissipation uniformly, is applicable to both forward and reverse directions rotation.

Description

A kind of new electronic control silicon oil clutch

Technical field

The utility model relates to silicon oil clutch fields, and in particular to a kind of new electronic control silicon oil clutch.

Background technique

Silicon oil filled fan clutch, uses silicone oil as medium, transmits torque using silicone oil shearing viscous force.The revolving speed of fan is to examine What worry designed under conditions of when use condition is most severe, guarantee engine is not overheated, therefore, in the usual driving process of vehicle, The revolving speed of fan should be controlled in the appropriate range, noise could be reduced in this way, improve engine economy.Inside clutch It seals toughness fluid (silicone oil), shears viscous force by it and transmit torque, bimetal leaf is housed before traditional clutch, is incuded with it By the air themperature of radiator, the intracavitary silicone oil amount of fan work is thus controlled, only if necessary, could transmit torque makes wind Fan rotation.

The structure of silicon oil filled fan clutch includes drive shaft, and drive shaft is by driven by engine, in the left end of axis equipped with actively Disk, it is rotated with drive shaft with being fixed in drive shaft；Being additionally provided in drive shaft can be relative to the clutch of drive shaft turns Device shell and front cover are equipped with working chamber and oil storage chamber between both, and driving disc spacing pressing is located in working chamber, are provided with height in oil storage chamber The silicone oil of viscosity.Oil outlet on oil storage chamber is closed by control valve block at room temperature, and the silicone oil of oil storage chamber cannot flow into work at this time Make intracavitary.Without silicone oil in working chamber, the torque on driving disc spacing pressing cannot pass on front cover completely, and clutch is in discrete state.

Its clutch position of current single side silicon oil clutch between front cover and driving disc spacing pressing, and oil storage chamber also be located at front cover with Between driving disc spacing pressing, this heat for allowing for generating when front cover and driving disc spacing pressing relative motion is concentrated on front cover, and in oil storage chamber Silicone oil heat can only also be distributed by front cover and driving disc spacing pressing, and front cover temperature is caused excessively to be concentrated, and influence silicone oil service life；Simultaneously Setting block is generally required on the inner cylindrical wall of existing preceding cover cavity keeps off oil, the silicone oil meeting when driving disc spacing pressing is rotated relative to front cover Because viscous aggregate is in the wherein side of block, drilling connection oil storage chamber is then carried out by the position and realizes oil return, but in reality Often on the contrary, this results in turning to once changing, silicone oil concentrates on the block other side for the steering of border some fans in And can not effective oil return, therefore this will make the clutch produced that can not adapt on the fan of different steerings, use scope by To significantly limiting.

Utility model content

Based on the above issues, the utility model aim is to provide a kind of structure simple, and convenient for production, heat dissipation effect is equal It is even, it is avoided that hot-spot, is applicable to the new electronic control silicon oil clutch of both forward and reverse directions rotation.

In view of the above problems, providing following technical solution: a kind of new electronic control silicon oil clutch, including shell and be located at Front cover in front of shell between both is working chamber, further includes the drive shaft being connected with engine, the drive shaft and shell Between by bearing adapter, described drive shaft one end is located in working chamber and is fixed with driving disc spacing pressing, the driving disc spacing pressing and front cover that Several circles concave-convex damping ring for fastening and be in clearance fit each other, the drive shaft at the shell rear are equipped on this opposite face Shoe cream room can be equipped with relative to the control coil of drive shaft turns by being equipped in the shell, the shoe cream room is towards working chamber The oil outlet towards working chamber is equipped at the outer rim end face of side, the oil outlet is located in shoe cream room by control coil control Valve block fitting or far from oil outlet realization open or close；One section is equipped in the front cover to open up along its cylindrical wall circumferential direction Oil-recovery tank, the oil-recovery tank both ends be equipped with towards shell axial direction protrusion boss, the shell and preceding cover outer wall are equipped with Several engaging lugs being uniformly arranged, the shell are equipped with the oil return hole being connected to shoe cream room, and the front cover passes through change and shell The docking location of body upper connecting ear keeps two boss opposite with oil return hole respectively.

In above structure, shoe cream room is designed on shell, so that the silicone oil heat in shoe cream room is distributed from shell, and actively Damping ring on both disk and front cover mutually moves the heat for causing silicone oil to generate and can distribute from front cover, avoids hot in existing design The case where amount concentrates on front cover generation, influences the service life of whole heat dissipation effect and silicone oil；Oil-recovery tank both ends design simultaneously Two boss, the rotation that mating connection ear realizes that front cover carries out certain angle relative to shell is reinstalled again, so that oil return hole Change the communicating position on boss, so that the purpose of positive and negative rotation switching is realized, without being directed in production according to steering Property processing, solve a clutch and be only applicable to the technical problem that same fan turns to.

The utility model is further arranged to, and oil storage cavity wall is fixed in the valve block side, and the other side is in cantilever position And be butted on oil outlet equipped with flap, the flap by valve block natural resiliency, armature is fixed on the valve block.

In above structure, armature is adsorbed by control coil thus with the flap on moving valve plate far from oil outlet, so that silicon Oil flows to working chamber from oil outlet export.

The utility model is further arranged to, and the valve block circularizes sheet and is placed on outside drive shaft, and the armature is in " U " The side that shape, its open side are mutually fixed towards valve block with oil storage cavity wall.

In above structure, valve block is swung with shoe cream room junction as fulcrum using its own at work, therefore " u "-shaped The armature of structure is under control coil absorption, and the bottom of " u "-shaped mouth can provide more adsorption capacities, under the action of lever principle So that valve block movement is more natural.

The utility model is further arranged to, the oil outlet towards being equipped with annular convex platform at one end aperture of shoe cream room, The flap is butted on annular convex platform.

In above structure, annular convex platform can be such that flap seals more closely with it, since valve block is to swing, end Flap will do it the movement of picture arc, such as be not provided with annular convex platform, and flap end is easy to take the lead in offseting with oil storage cavity wall, have certain several The case where rate causes flap to be not closed completely, while being also easy so that flap end and oil storage cavity wall friction generation metal are broken Bits pollution silicone oil.

The utility model is further arranged to, be equipped in the shoe cream room be arranged along its inner cylindrical wall circumferential direction and with The collection oil baffle that shoe cream room inner cylindrical wall is set in distance makes to collect formation collection oil duct between oil baffle and shoe cream room inner cylindrical wall, Described collection oil duct one end is shut by collection oil baffle and is connected to oil return hole, the other end opens wide at oil outlet position.

In above structure, silicone oil is expelled directly out after being assembled in reflux by collection oil duct, and oil outlet is then located at collection oil duct Outlet port, can enable silicone oil when being discharged first time in flow into oil outlet, increase oil circulation efficiency.

The utility model is further arranged to, and the shoe cream room inner cylindrical wall at the oil outlet position is equipped with radially The collection chamber of direction evagination, the oil outlet aperture are connected to collection chamber.

In above structure, silicone oil can be made to concentrate in collection chamber under the action of the centrifugal force when collecting oil duct discharge, to protect Card silicone oil can smoothly flow into oil outlet, and have the covert liquid level increased under centrifugal action, and effectively can avoid bubble Mixed effect.

The utility model is further arranged to, and is evenly equipped in the outer cylindrical wall at the driving disc spacing pressing outer rim several along its axis Direction opens up, the axial groove for silicone oil to be rushed for boss when driving disc spacing pressing rotates.

In above structure, since existing steering by clutch can only be often a direction, at driving disc spacing pressing outer rim Slot often opens up into skewed to assist oil return, and the clutch in this programme is suitable for the switching of both direction, therefore opens If axial groove can take into account the steering oil return in two kinds of directions.

The utility model is further arranged to, the boss include inclined surface and aggregation face, the oil return hole and aggregation face Relatively.

In above structure, silicone oil is gathered in oil-recovery tank after throwing away from damping ring, while driving disc spacing pressing is rotated relative to front cover So that silicone oil is rushed for the oil-recovery tank end of rotation direction, inclined surface can assist silicone oil to pressurize, and pass through the sticky shape of silicone oil itself The silicone oil pressure on aggregation face is improved at viscous effect, to realize the circulation of silicone oil.

The utility model has the beneficial effects that shoe cream room is designed on shell, so that silicone oil heat in shoe cream room is from shell It distributes, and the damping ring on both driving disc spacing pressing and front cover mutually moves the heat for causing silicone oil to generate and can distribute from front cover, avoids Heat concentrates on the generation of the case where front cover in existing design, influences the service life of whole heat dissipation effect and silicone oil；It returns simultaneously Two boss are designed at oil groove both ends, and the rotation that mating connection ear realizes that front cover carries out certain angle relative to shell is pacified again again Dress so that oil return hole changes communicating position on boss, to realize the purpose of positive and negative rotation switching, without in production according to Steering is targetedly processed, and is solved a clutch and is only applicable to the technical problem that same fan turns to.

Detailed description of the invention

Fig. 1 is the complete machine positive structure schematic of the utility model.

Fig. 2 is the schematic diagram of the back structure of the whole machine of the utility model.

Fig. 3 is the valve block open state structural schematic diagram of the utility model.

Fig. 4 is the valve block closed state structural schematic diagram of the utility model.

Fig. 5 is the oil-collecting baffle arrangement schematic diagram of the utility model.

Fig. 6 is the axial slot structure schematic diagram of the utility model.

Fig. 7 is the oil-recovery tank and boss structure schematic diagram of the utility model.

Fig. 8 is the schematic diagram of housing structure of the utility model.

Figure label meaning: 10- shell；101- bearing；102- oil return hole；11- front cover；111- oil-recovery tank；112- boss； The inclined surface 1121-；1122- assembles face；12- working chamber；13- drive shaft；14- driving disc spacing pressing；141- oil guiding hole；142- axial groove； 15- damping ring；16- control coil；17- shoe cream room；171- oil outlet；172- annular convex platform；173- collection oil baffle；174- oil-collecting Road；175- collection chamber；18- valve block；181- flap；182- armature；19- engaging lug.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

Referring to figs. 1 to Fig. 8, a kind of new electronic control silicon oil clutch as shown in Figures 1 to 8, including shell 10 and be located at The front cover 11 in the front of shell 10 between both is working chamber 12, further includes the drive shaft 13 being connected with engine, the driving It is adapted between axis 13 and shell 10 by bearing 101, described 13 one end of drive shaft is located in working chamber 12 and is fixed with driving disc spacing pressing 14, the concave-convex resistances for fastening and be in clearance fit each other of several circles are equipped on the driving disc spacing pressing 14 and the face relative to each other of front cover 11 Buddhist nun's ring 15, the drive shaft 13 at 10 rear of shell are equipped with the control coil 16 that can be rotated relative to drive shaft 13, the shell It is equipped with shoe cream room 17 in body 10, the shoe cream room 17 is towards being equipped with towards working chamber 12 at the outer rim end face of 12 side of working chamber Oil outlet 171, the oil outlet 171 are located at the valve block 18 in shoe cream room 17 by the control of control coil 16 and are bonded or far from fuel-displaced Mouth 171 is realized and is opened or closed；One section of oil-recovery tank 111 opened up along its cylindrical wall circumferential direction, institute are equipped in the front cover 11 111 both ends of oil-recovery tank are stated equipped with the boss 112 towards shell 10 axial direction protrusion, the shell 10 and 11 outer wall of front cover are equipped with Several engaging lugs 19 being uniformly arranged, the shell 10 are equipped with the oil return hole 102 being connected to shoe cream room 17, and the front cover 11 is logical Cross to change keeps two boss 112 opposite with oil return hole 102 respectively with the docking location of 10 upper connecting ear 19 of shell.

In above structure, shoe cream room 17 is designed on shell 10, so that the silicone oil heat in shoe cream room 17 is dissipated from shell 10 Hair, and the heat that the mutually movement of the damping ring 15 in driving disc spacing pressing 14 and 11 the two of front cover causes silicone oil to generate can be dissipated from front cover 11 Hair, avoids the case where heat concentrates on front cover 11 in existing design generation, and influence whole heat dissipation effect and silicone oil uses the longevity Life；Two boss 112 are designed at 111 both ends of oil-recovery tank simultaneously, and mating connection ear 19 realizes that front cover 11 carries out one relative to shell 10 The rotation for determining angle is reinstalled again, so that oil return hole 102 changes the communicating position on boss 112, to realize positive and negative rotation When can according to silicone oil flow to adjust 102 position of oil return hole, so that it is correctly oriented flowing toward oil-recovery tank 111 respectively and collect realization The purpose of positive anti-switching solves a clutch and is only applicable to without targetedly being processed in production according to steering The technical problem that same fan turns to.

In the present embodiment, 17 inner wall of shoe cream room is fixed in 18 side of valve block, and the other side is in cantilever position and is equipped with valve Valve 181, the flap 181 are butted on oil outlet 171 by 18 natural resiliency of valve block, are fixed with armature 182 on the valve block 18.

In above structure, armature 182 is adsorbed by control coil 16 thus with the flap 181 on moving valve plate 18 far from fuel-displaced Mouth 171, so that silicone oil flows to working chamber 12 from the export of oil outlet 171, the driving disc spacing pressing 14 is equipped with oil guiding hole 141, can make silicon Oil participates in damping action from the side of driving disc spacing pressing 14 guiding damping ring 15.

In the present embodiment, the valve block 18 circularizes sheet and is placed on outside drive shaft 13, and the armature 182 is " U "-shaped, it The side that open side is mutually fixed towards valve block 18 with 17 inner wall of shoe cream room.

In above structure, valve block 18 is swung with 17 junction of shoe cream room as fulcrum using its own at work, therefore For the armature 182 of "u"-shaped under the absorption of control coil 16, the bottom of " u "-shaped mouth can provide more adsorption capacities, in lever original Make the movement of valve block 18 more natural under the action of reason.

In the present embodiment, the oil outlet 171 is described towards being equipped with annular convex platform 172 at one end aperture of shoe cream room 17 Flap 181 is butted on annular convex platform 172.

In above structure, annular convex platform 172 can be such that flap 181 seals more closely with it, since valve block 18 is to swing, The flap 181 of its end will do it the movement of picture arc, such as be not provided with annular convex platform 172, and 181 end of flap is easy to take the lead in and shoe cream room 17 inner walls offset, and have the case where certain probability causes flap 181 to be not closed completely, while being also easy so that 181 end of flap Metal fragment, which is generated, with wall friction in shoe cream room 17 pollutes silicone oil.

Be equipped in the present embodiment, in the shoe cream room 17 be arranged along its inner cylindrical wall circumferential direction and in shoe cream room 17 The collection oil baffle 173 that cylindrical wall is set in distance makes to collect formation collection oil duct between oil baffle 173 and 17 inner cylindrical wall of shoe cream room 174, by collection, oil baffle 173 is shut and is connected to oil return hole 102, the other end is at oil outlet 171 for described 174 one end of collection oil duct Place is set to open wide.

In above structure, silicone oil is expelled directly out after being assembled in reflux by collection oil duct 174, and oil outlet 171 is then located at The outlet port for collecting oil duct 174 can enable silicone oil flow into oil outlet 171 within first time when being discharged, increase oil circulation Efficiency.

In the present embodiment, 17 inner cylindrical wall of shoe cream room at 171 position of oil outlet is equipped with outside radially direction Convex collection chamber 175,171 aperture of oil outlet are connected to collection chamber 175.

In above structure, silicone oil can be made to be concentrated in collection chamber 175 under the action of the centrifugal force when collecting oil duct 174 and being discharged, To guarantee that silicone oil can smoothly flow into oil outlet 171, and there is the covert liquid level increased under centrifugal action, and can be effectively Avoid the mixed effect of bubble.

In the present embodiment, be evenly equipped in the outer cylindrical wall at 14 outer rim of driving disc spacing pressing it is several opened up along its axis direction, For silicone oil to be rushed for the axial groove 142 of boss 112 when driving disc spacing pressing 14 rotates.

In above structure, since existing steering by clutch can only be often a direction, such as turning to opposite field The case where credit union causes silicone oil that can not flow back, therefore the slot at 14 outer rim of driving disc spacing pressing often opens up into skewed to assist Oil return, and the clutch in this programme is suitable for the switching of both direction, therefore opens up axial groove 142 and can take into account two kinds of directions Steering oil return.

In the present embodiment, the boss 112 includes inclined surface 1121 and aggregation face 1122, the oil return hole and aggregation face phase It is right.

In above structure, silicone oil is gathered in oil-recovery tank 111 after throwing away from damping ring 15, while driving disc spacing pressing 14 is relative to preceding Lid 11 rotates so that silicone oil is rushed for 111 end of oil-recovery tank of rotation direction, and inclined surface 1121 can assist silicone oil to pressurize, pass through silicon The viscosity of oil itself forms the silicone oil pressure on viscous effect raising aggregation face 1122, to realize the circulation of silicone oil.

The utility model has the beneficial effects that shoe cream room 17 is designed on shell 10, so that the silicone oil heat in shoe cream room 17 It is distributed from shell 10, and the heat that the mutually movement of the damping ring 15 in driving disc spacing pressing 14 and 11 the two of front cover causes silicone oil to generate can be from Front cover 11 distributes, and avoids the case where heat concentrates on front cover 11 in existing design generation, influences whole heat dissipation effect and silicone oil Service life；Two boss 112 are designed at 111 both ends of oil-recovery tank simultaneously, and mating connection ear 19 realizes front cover 11 relative to shell The rotation of 10 progress certain angles is reinstalled again, so that oil return hole 102 changes the communicating position on boss 112, thus real It can be flowed to according to silicone oil when existing positive and negative rotation and adjust 102 position of oil return hole, it is made to be correctly oriented flowing simultaneously toward oil-recovery tank 111 respectively The purpose for realizing positive anti-switching is collected, without targetedly being processed in production according to steering, solves a clutch It is only applicable to the technical problem that same fan turns to；Control coil 16 is controlled using metal-oxide-semiconductor simultaneously, is reduced ECU driving and is required, 0-5vPWM driving can be used directly, and high pressure will can be isolated with low pressure, eliminate impact of the coil counter electromotive force to ECU, drop The low output power consumption of ECU.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications, above-mentioned vacation can also be made If these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of new electronic control silicon oil clutch, front cover including shell and in front of shell between both is working chamber, Further include the drive shaft being connected with engine, passes through bearing adapter, drive shaft one end position between the drive shaft and shell In in working chamber and being fixed with driving disc spacing pressing, several circles concave convex button each other is equipped on the driving disc spacing pressing and front cover face relative to each other Close and be in the damping ring of clearance fit, it is characterised in that: the drive shaft at the shell rear, which is equipped with, to be turned relative to drive shaft Dynamic control coil, is equipped with shoe cream room in the shell, and the shoe cream room is logical towards being equipped at the outer rim end face of working chamber side Toward the oil outlet of working chamber, the oil outlet is located at valve block fitting or separate oil outlet in shoe cream room by control coil control Realization opens or closes；One section of oil-recovery tank opened up along its cylindrical wall circumferential direction, the oil-recovery tank two are equipped in the front cover End is equipped with the boss towards shell axial direction protrusion, and the shell and preceding cover outer wall are equipped with several engaging lugs being uniformly arranged, The shell is equipped with the oil return hole being connected to shoe cream room, and the front cover is made by change and the docking location of shell upper connecting ear Two boss are opposite with oil return hole respectively.

2. a kind of new electronic control silicon oil clutch according to claim 1, it is characterised in that: the valve block side is fixed on Oil storage cavity wall, the other side are butted on oil outlet in cantilever position and equipped with flap, the flap by valve block natural resiliency, institute It states and is fixed with armature on valve block.

3. a kind of new electronic control silicon oil clutch according to claim 2, it is characterised in that: the valve block circularizes sheet And it is placed on outside drive shaft, the side that the armature is " U "-shaped, its open side is mutually fixed towards valve block with oil storage cavity wall.

4. a kind of new electronic control silicon oil clutch according to claim 2, it is characterised in that: the oil outlet is towards oil storage Annular convex platform is equipped at one end aperture of chamber, the flap is butted on annular convex platform.

5. a kind of new electronic control silicon oil clutch according to claim 1, it is characterised in that: be equipped with edge in the shoe cream room The collection oil baffle that its inner cylindrical wall circumferential direction is arranged and is set in distance with shoe cream room inner cylindrical wall makes to collect oil baffle and storage Collection oil duct is formed between oil pocket inner cylindrical wall, described collection oil duct one end is shut and is connected to oil return hole, another by collection oil baffle End is opened wide at oil outlet position.

6. a kind of new electronic control silicon oil clutch according to claim 5, it is characterised in that: at the oil outlet position Shoe cream room inner cylindrical wall is equipped with the collection chamber of radially direction evagination, and the oil outlet aperture is connected to collection chamber.

7. a kind of new electronic control silicon oil clutch according to claim 1, it is characterised in that: at the driving disc spacing pressing outer rim Be evenly equipped in outer cylindrical wall it is several opened up along its axis direction, the axial direction for silicone oil to be rushed for boss when driving disc spacing pressing rotates Slot.

8. a kind of new electronic control silicon oil clutch according to claim 1, it is characterised in that: the boss includes inclined surface And aggregation face, the oil return hole are opposite with aggregation face.