CN204458906U - A kind of silicon oil clutch and cooling fan - Google Patents
A kind of silicon oil clutch and cooling fan Download PDFInfo
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- CN204458906U CN204458906U CN201420817544.2U CN201420817544U CN204458906U CN 204458906 U CN204458906 U CN 204458906U CN 201420817544 U CN201420817544 U CN 201420817544U CN 204458906 U CN204458906 U CN 204458906U
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Abstract
The utility model provides a kind of silicon oil clutch and uses the cooling fan of this silicon oil clutch, and the active chamber that the utility model limits silicon oil clutch is connected by multiple silicone oil passage with silicone oil storing cavity; Multiple silicone oil passage runs through follower plate and arranges; Between follower plate and housing, be provided with bimetal thermal sensitive piece, be connected with valve block with bimetal thermal sensitive piece; Bimetal thermal sensitive piece is suitable for according to temperature variation generation deformation and is with moving valve plate to rotate, be positioned at multiple silicone oil channel settings on follower plate in the rotation offset region of described valve block and heat up along described valve block time sense of rotation set gradually.The utility model, by arranging multiple silicone oil passage, can realize the multi-change speed of rotational speed, and then the windy speed realizing cooling fan regulates automatically according to the change of temperature; Thus make can better mate between wind speed and the Rate of load condensate of generator, reach the object of further energy efficient.
Description
Technical field
The utility model belongs to engine cooling apparatus field, is specifically related to a kind of silicon oil clutch and cooling fan.
Background technique
Motor car engine is lower in working order can give out a large amount of heats, in order to ensure service behaviour and the working life of motor, cooling fan must be adopted to carry out the cooling of appropriateness to motor.But the use of cooling fan can increase the oil consumption of car load, and the engine power consumed due to fan and rotating speed is cube proportional, and therefore fan can make complete-vehicle oil consumption significantly improve when running up.
In prior art; in order to reach energy-conservation object; usually silicon oil clutch can be used to drive fan to cool; as Chinese patent literature CN2545423Y discloses a kind of silicon oil clutch; as shown in Figure 1; it is fixed with rotatingshaft 6 in the middle of housing 4; rotatingshaft 6 is provided with active plate 3; protecgulum 1 and housing 4 are fixed together; follower plate 2 is arranged on the faying surface position between protecgulum 1 and housing 4; be silicone oil cavity and engage cavity by the compartition between protecgulum 1 with housing 4, described silicone oil cavity 11 with engage cavity 10 and be connected by silicone oil passage 7.In engagement cavity, be provided with valve block, described follower plate 2 is provided with valve opening; The outer surface of protecgulum 1 is fixedly installed temperature sensing scissel, and described temperature sensing scissel can drive described valve block to carry out action according to temperature generation deformation.In the course of the work, when the temperature of radiator is lower, now temperature sensing scissel inwardly shrinks, and drive described valve block to press close to valve opening until close described valve opening, thus silicone oil is concentrated in silicone oil cavity, and only there is a small amount of silicone oil in engagement cavity between active plate 3 and housing 4, make the shearing force between it less, now protecgulum 1 can only drive fan to do low speed rotation; And when the temperature increases, described temperature sensing scissel temperature distortion also drives described valve block to leave valve opening, now silicone oil flows in described engagement cavity, and active plate 3 increases with the engaging force of housing 4, thus drives protecgulum 1 and fan to do fast rotational.
Above-mentioned silicon oil clutch of the prior art can according to the temperature adjustment rotation speed of the fan of radiator, reduce the energy consumption of fan to a certain extent, but its defect still existed is, its action by valve block On/Off valve opening realizes the adjustment to wind speed, the wind speed that can only control fan regulates at low speed, at a high speed two shelves, and the windy speed that cannot realize cooling fan regulates automatically.
Model utility content
What the application solved is that the wind speed that silicon oil clutch of the prior art can only control fan regulates at low speed, at a high speed two shelves, and the problem that the windy speed of cooling fan regulates automatically cannot be realized, and then provide a kind of and can constantly adjust wind speed along with engine load rate size, realize the silicon oil clutch of windy velocity modulation joint and use the cooling fan of this silicon oil clutch.
The technical scheme in the invention for solving the above technical problem is:
A kind of silicon oil clutch, comprising:
Protecgulum, described protecgulum is provided with silicone oil storing cavity;
Follower plate, the side of described follower plate is fixedly connected with described protecgulum;
Housing, is arranged on the opposite side of described follower plate, is fixedly connected with described follower plate;
Active plate, be connected with described housing rotational slide, housing between described active plate and described follower plate is provided with active chamber, the cavity of described active chamber at least covers the surface setting of described active plate, on described active chamber, eccentric setting has refluxing opening, and described refluxing opening is connected with described silicone oil storing cavity by communicating passage;
Rotatingshaft, is fixedly connected with described active plate, is suitable for driving described active plate to rotate;
Described active chamber is also connected by multiple silicone oil passage with described silicone oil storing cavity; Described multiple silicone oil passage runs through described follower plate and arranges;
At described follower plate, the side of described protecgulum is provided with valve block, is connected with bimetal thermal sensitive piece with described valve block; Described bimetal thermal sensitive piece is suitable for according to temperature variation generation deformation and drives described valve block to rotate, be positioned at multiple silicone oil channel settings on described follower plate in the rotation offset region of described valve block and heat up along described valve block time sense of rotation spread configuration.
Preferably, described valve block is symmetrical arranged along the rotating center of self, forms two rotation offset regions in the both sides of described rotating center; Described multiple silicone oil passage is evenly distributed in described two rotation offset regions.
Preferably, described multiple silicone oil passage is symmetrical arranged along described rotating center.
Preferably, the sectional area being positioned at the silicone oil passage in each described rotation offset region increases successively along the intensification sense of rotation of described valve block.
Preferably, two silicone oil passages are provided with in each described rotation offset region, the cross section of described two the silicone oil passages set gradually along described intensification sense of rotation is followed successively by circle and waist-hole type, and the length direction in wherein said waist-hole type cross section is arranged along the sense of rotation of described valve block.
Preferably, described communicating passage is provided with control silicone oil is flowed to silicone oil storing cavity one-way valve by active chamber.
Preferably, described bimetal thermal sensitive piece is arranged on described protecgulum.
In addition, the utility model additionally provides a kind of cooling fan, comprises described silicon oil clutch, is fixedly connected with is provided with fan blade with the housing of described silicon oil clutch.
The advantage of silicon oil clutch described in the utility model is:
(1) silicon oil clutch described in the utility model, is limited described active chamber and is connected by multiple silicone oil passage with described silicone oil storing cavity; Described multiple silicone oil passage runs through described follower plate and arranges; The side of described follower plate is provided with bimetal thermal sensitive piece, is connected with valve block with described bimetal thermal sensitive piece; As those skilled in the art, be well known that, the bimetal thermal sensitive piece in silicon oil clutch can to twist distortion according to the change of temperature, and then band moving valve plate rotates.Sense of rotation spread configuration in the rotation offset region that multiple silicone oil passages in the utility model are just arranged on described valve block and when heating up along described valve block.The utility model is by arranging multiple silicone oil passage, and under low-temperature condition, described valve block is formed closed to described multiple silicone oil passage, and silicone oil concentrates in silicone oil storing cavity and do not enter active chamber.When the temperature increases, described bimetal thermal sensitive piece generation deformation, described valve block is first driven to rotate, the 1st the silicone oil passage arranged along described valve block sense of rotation is unlocked, silicone oil enters active chamber by described silicone oil passage, because silicone oil has certain viscosity, in active chamber silicone oil shearing force effect under, described active plate drives described housing to rotate; When temperature raises further, there is deformation further and drive described valve block to rotate in described bimetal thermal sensitive piece, the 2nd the silicone oil passage now arranged along described valve block sense of rotation is also unlocked, the silicone oil amount entering active chamber strengthens further, thus the rotational speed of housing is further enhanced, based on this mode, the multi-change speed of rotational speed can be realized according to the change of temperature by arranging multiple silicone oil passage, thus make can better mate between rotating speed and the Rate of load condensate of generator, realize the object of further energy efficient.
(2) silicon oil clutch described in the utility model, also limits described valve block and is symmetrical arranged along self rotating center, form two rotation offset regions in the both sides of described rotating center; Described multiple silicone oil passage is evenly distributed in described two rotation offset regions.The utility model is symmetrical arranged along self rotating center by arranging valve block, utilize the rotation being positioned at the valve block of symmetry center both sides to realize the open and close of silicone oil passage simultaneously, only arrange a rotation offset region to compare, the sectional area of each silicone oil passage can be reduced, originally a silicone oil intake silicone oil passage will being leaned on to carry out regulating is carried out by the silicone oil passage shared to both sides simultaneously, thus improves the degree of regulation of silicone oil intake.
(3) silicon oil clutch described in the utility model, limit the sectional area that is positioned at the silicone oil passage in each described rotation offset region to increase successively along the sense of rotation of described valve block, the advantage of such setting is the amplitude of variation that can control silicone oil intake, and then the amplitude of variation of rotating speed is mated more with the change of temperature, make the increasing degree of the rotating speed when temperature is lower less, and under high temperature condition, the increasing degree of rotating speed is larger.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
It is the structural representation of the silicon oil clutch described in prior art shown in Fig. 1;
It is the decomposition texture schematic diagram of cooling fan described in the utility model shown in Fig. 2;
It is the structural representation of linkage structure described in the utility model shown in Fig. 3;
It is the structural representation of active plate described in the utility model shown in Fig. 4;
It is the structural representation of the follower plate of cooling fan described in the utility model shown in Fig. 5;
It is the structural representation being provided with the follower plate of 4 circular silicone oil passages described in the utility model shown in Fig. 6;
It is the structural representation being provided with the follower plate of 2 circular silicone oil passages described in the utility model shown in Fig. 7;
It is the structural representation being provided with the follower plate of circle and waist-hole type silicone oil passage described in the utility model shown in Fig. 8;
Wherein, reference character is:
1-protecgulum; 2-follower plate; 3-active plate; 4-housing; 5-fan blade; 6-rotatingshaft; 7-silicone oil passage; 8-valve block; 9-bimetal thermal sensitive piece; 10-engages cavity; 11-silicone oil cavity; 12-linkage structure; 13-annular groove; 14-annular boss.
Embodiment
embodiment 1
A kind of silicon oil clutch provided in the present embodiment, as shown in Figure 2, comprising:
Protecgulum 1, described protecgulum 1 is provided with silicone oil storing cavity;
Follower plate 2, the side of described follower plate 2 is fixedly connected with described protecgulum 1;
Housing 4, is arranged on the opposite side of described follower plate 2, is fixedly connected with described follower plate 2;
Active plate 3, is connected with the rotational slide of described housing 4 and arranges, and the described active plate 3 in the present embodiment is nested is arranged on the side of described housing 4 towards described follower plate 2, and the side of described active plate is connected with described housing by linkage structure 12; Wherein, described linkage structure 12 is fixedly connected with described housing, as shown in Figure 3 and Figure 4, bindiny mechanism of institute 12 is provided with annular groove; At described active plate, the side of described linkage structure 12 is provided with annular boss, described annular boss to be suitable for being nested in described annular groove and to rotate relative to described annular groove, thus described active plate can be dallied relative to described housing, as selectable mode of execution, also annular groove can be set on described active plate, described linkage structure arranges annular boss.Housing 4 between described active plate 3 opposite side and described follower plate 2 is provided with active chamber, the cavity of described active chamber covers the surface of described active plate 3 and the surface setting of described follower plate 2 simultaneously, on described active chamber, eccentric setting has refluxing opening, and described refluxing opening is connected with described silicone oil storing cavity by communicating passage;
Rotatingshaft 6, is fixedly connected with described active plate 3, is suitable for driving described active plate 3 to rotate;
Described active chamber is also connected by 4 silicone oil passages 7 with described silicone oil storing cavity; Described 4 silicone oil passages 7 run through described follower plate 2 and arrange; As shown in Figure 5, at described follower plate, the side of described protecgulum is provided with valve block 8, is connected with bimetal thermal sensitive piece 9 with described valve block; Described bimetal thermal sensitive piece 9 is suitable for according to temperature variation generation deformation and drives described valve block 8 to rotate, and 4 the silicone oil passages 7 be positioned on described follower plate 2 are arranged on the rotation offset region of described valve block 8 and the sense of rotation along described valve block 8 sets gradually.Valve block 8 described in the present embodiment is symmetrical arranged along the rotating center of self, thus forms two rotation offset regions in the both sides of described rotating center; As shown in Figure 6,4 silicone oil passages 7 described in the utility model are evenly distributed in described two rotation offset regions, and be namely provided with 2 silicone oil passages 7 in each described rotation offset region, described 4 silicone oil passages 7 are symmetrical arranged along described rotating center.And the sectional area of 2 described silicone oil passages 7 in each described rotation offset region increases successively along the intensification sense of rotation of valve block 8; The cross section of 4 silicone oil passages 7 in the present embodiment is circle.
In addition, in order to accurately judge ambient temperature, described bimetal thermal sensitive piece 9 is preferably arranged on described protecgulum, and exposure is arranged in the environment.
Silicon oil clutch described in the present embodiment, when for cooling fan, the housing 4 of described silicon oil clutch is provided with fan blade 5; The working procedure that described cooling fan is used for engine radiating occasion is: described cooling fan is arranged near radiator, under low-temperature condition, described valve block 8 is formed described 4 the silicone oil passages 7 being positioned at described rotating center both sides and closes, and silicone oil concentrates in silicone oil storing cavity and do not enter active chamber.When the temperature increases, there is deformation and drive described valve block 8 to rotate along rotating center in described bimetal thermal sensitive piece 9, with regard to each described rotation offset region, first the silicone oil passage 7 less along the 1st sectional area of described valve block 8 sense of rotation setting be unlocked, silicone oil enters active chamber by described silicone oil passage 7, because silicone oil has certain viscosity, in active chamber silicone oil shearing force effect under, described active plate 3 drives described housing 4 to rotate, thus drives fan blade 5 to rotate realization heat radiation; When temperature raises further, there is deformation further and drive described valve block 8 to proceed to rotate in described bimetal thermal sensitive piece 9, the 2nd the silicone oil passage 7 now arranged along described valve block 8 sense of rotation is also unlocked, the silicone oil amount entering active chamber strengthens further, thus the rotational speed of fan blade 5 is further enhanced.In the present embodiment, on described active chamber, eccentric setting has refluxing opening, when active chamber rotates under the induced effect of active plate 3, silicone oil in active chamber is got rid of to outside under the influence of centrifugal force, thus flow to silicone oil storing cavity by refluxing opening, thus form the circulation of a silicone oil storing cavity → silicone oil passage 7 → active chamber → refluxing opening → silicone oil storing cavity.When the temperature of radiator drops to low by height, there is deformation and drive described valve block 8 to carry out counterrotating in described bimetal thermal sensitive piece 9, now valve block 8 is successively formed 2 silicone oil passages 7 on each described rotation offset region more successively and closes, enter the corresponding minimizing of silicone oil amount of active chamber, when 4 silicone oil passages 7 are all closed, silicone oil no longer enters active chamber, and the silicone oil in active chamber then flows back into silicone oil storing cavity by refluxing opening all under the influence of centrifugal force.The present embodiment, by arranging multiple silicone oil passage 7, can realize the multi-change speed of rotational speed according to the change of temperature, thus makes can better mate between rotating speed and the Rate of load condensate of generator, realizes the object of further energy efficient.And the present embodiment is symmetrical arranged along self rotating center by arranging described valve block, utilize the rotation being positioned at the valve block of symmetry center both sides to realize the open and close of silicone oil passage 7 simultaneously, only arrange a rotation offset region to compare, the sectional area of each silicone oil passage 7 can be reduced, originally a silicone oil intake silicone oil passage 7 will being leaned on to carry out regulating is carried out by the silicone oil passage 7 shared to both sides simultaneously, thus improves the degree of regulation of silicone oil intake.And the present embodiment increases along the sense of rotation of described valve block successively by limiting the sectional area that is positioned at the silicone oil passage 7 in each described rotation offset region, the advantage of such setting is the amplitude of variation that can control silicone oil intake, and then the amplitude of variation of rotating speed is mated more with the change of temperature, make the increasing degree of the rotating speed when temperature is lower less, and under high temperature condition, the increasing degree of rotating speed is larger.
embodiment 2
A kind of silicon oil clutch that the present embodiment provides, comprising:
Protecgulum 1, described protecgulum 1 is provided with silicone oil storing cavity;
Follower plate 2, the side of described follower plate 2 is fixedly connected with described protecgulum 1;
Housing 4, is arranged on the opposite side of described follower plate 2, is fixedly connected with described follower plate 2;
Active plate 3, to be connected away from the side rotational slide of described follower plate 2 with described housing 4 and to arrange, as selectable mode of execution, also annular groove or annular boss can be set on active plate 3, annular boss or annular groove are set on the housing, thus being slidably connected both realizing.Housing 4 between described active plate 3 and described follower plate 2 is provided with active chamber, active chamber described in the present embodiment is arranged on the side of described housing 4 towards described active plate 3, the cavity of described active chamber covers the surface setting of described active plate 3, on described active chamber, eccentric setting has refluxing opening, and described refluxing opening is connected with described silicone oil storing cavity by communicating passage; As preferred embodiment, described communicating passage is provided with and controls silicone oil is flowed to silicone oil storing cavity one-way valve by active chamber.
Rotatingshaft 6, is fixedly connected with described active plate 3, is suitable for driving described active plate 3 to rotate;
Active chamber described in the present embodiment is also connected by 2 silicone oil passages 7 with described silicone oil storing cavity; Described 2 silicone oil passages 7 run through described follower plate 2 and arrange; At described follower plate, the side of described protecgulum is provided with valve block 8, is connected with bimetal thermal sensitive piece 9 with described valve block; Described bimetal thermal sensitive piece 9 is suitable for raising according to temperature deformation occurring and driving described valve block 8 to rotate, and valve block 8 described in the present embodiment enters to be arranged on the side of self rotating center, forms a rotation offset region; 2 the silicone oil passages 7 be positioned on described follower plate 2 are arranged on the rotation offset region of described valve block 8 and the sense of rotation along described valve block 8 sets gradually.As shown in Figure 7, the cross section of two in the present embodiment described silicone oil passages 7 is circle and area equation.
Silicon oil clutch described in the present embodiment, when for cooling fan, the protecgulum 1 of described silicon oil clutch is provided with fan blade 5; The working procedure that described cooling fan is used for engine radiating occasion is: described cooling fan is arranged near radiator, under low-temperature condition, described 1 valve block 8 is formed described 2 silicone oil passages 7 and closes, and silicone oil concentrates in silicone oil storing cavity and do not enter active chamber.Now only have a small amount of silicone oil in active chamber, the silicone oil shearing force between housing 4 and active plate 3 is less, and described rotatingshaft 6 drives described active plate 3 to rotate, and housing 4 and the follower plate 2 be fixedly connected with described housing 4 and protecgulum 1 are then in idling conditions.When the temperature increases, there is deformation and drive described valve block 8 to rotate in described bimetal thermal sensitive piece 9, first the 1st the silicone oil passage 7 arranged along described valve block 8 sense of rotation be unlocked, silicone oil enters active chamber by described silicone oil passage 7, because silicone oil has certain viscosity, in active chamber silicone oil shearing force effect under, described active plate 3 drives described housing 4 to rotate, thus drive follower plate 2 and fore shell to rotate, and then fan blade 5 is driven to rotate realization heat radiation; When temperature raises further, there is deformation further and drive described valve block 8 to proceed to rotate in described bimetal thermal sensitive piece 9, the 2nd the silicone oil passage 7 now arranged along described valve block 8 sense of rotation is also unlocked, the silicone oil amount entering active chamber strengthens further, thus the rotational speed of fan blade 5 is further enhanced.When the temperature of radiator drops to low by height, there is deformation and drive described valve block 8 to carry out counterrotating in described bimetal thermal sensitive piece 9, now valve block 8 is successively formed 2 silicone oil passages 7 more successively and closes, enter the corresponding minimizing of silicone oil amount of active chamber, when 2 silicone oil passages 7 are all closed, silicone oil no longer enters active chamber, and the silicone oil in active chamber then flows back into silicone oil storing cavity by refluxing opening all under the influence of centrifugal force.In described communicating passage, be provided with one-way valve in the present embodiment, thus silicone oil can be controlled better flow to silicone oil storing cavity by active chamber and do not flow backwards.
embodiment 3
Protecgulum 1, described protecgulum 1 is provided with silicone oil storing cavity;
Follower plate 2, the side of described follower plate 2 is fixedly connected with described protecgulum 1;
Housing 4, is arranged on the opposite side of described follower plate 2, is fixedly connected with described follower plate 2;
Active plate 3, be connected with the side rotational slide of described housing 4 away from described follower plate 2, housing 4 between described active plate 3 and described follower plate 2 is provided with active chamber, active chamber described in the present embodiment is arranged on the side of described housing 4 towards described active plate 3, the cavity of described active chamber covers the surface setting of described active plate 3, on described active chamber, eccentric setting has refluxing opening, and described refluxing opening is connected with described silicone oil storing cavity by communicating passage; Described communicating passage is provided with and controls silicone oil is flowed to silicone oil storing cavity one-way valve by active chamber.
Rotatingshaft 6, is fixedly connected with described active plate 3, is suitable for driving described active plate 3 to rotate;
In the present embodiment, described in follower plate 2 follower plate 2 protecgulum 1 protecgulum 1, active chamber is also connected by 4 silicone oil passages 7 with described silicone oil storing cavity; Described 4 silicone oil passages 7 run through described follower plate 2 and arrange; At described follower plate, the side of described protecgulum is provided with valve block 8, is connected with bimetal thermal sensitive piece 9 with described valve block; Described bimetal thermal sensitive piece 9 is suitable for raising according to temperature deformation occurring and driving described valve block 8 to rotate, and 4 the silicone oil passages 7 be positioned on described follower plate 2 are arranged on the rotation offset region of described valve block 8 and the sense of rotation along described valve block 8 sets gradually.Valve block 8 described in the present embodiment is symmetrical arranged along the rotating center of self, thus forms two rotation offset regions in the both sides of described rotating center; Described 4 silicone oil passages 7 are evenly distributed in described two rotation offset regions, and be namely provided with 2 silicone oil passages 7 in each described rotation offset region, described 4 silicone oil passages 7 are symmetrical arranged along described rotating center.And the sectional area of 2 described silicone oil passages 7 in each described rotation offset region increases successively along the intensification sense of rotation of valve block 8; As shown in Figure 8,2 in the present embodiment in each described rotation offset region cross sections along the described silicone oil passage 7 that intensification sense of rotation sets gradually are followed successively by circle and waist-hole type, and the length direction in wherein said waist-hole type cross section is arranged along the sense of rotation of described valve block 8.
Silicon oil clutch described in the present embodiment, when for cooling fan, the protecgulum 1 of described silicon oil clutch is provided with fan blade 5; The working procedure that described cooling fan is used for engine radiating occasion is: described cooling fan is arranged near radiator, and under low-temperature condition, described valve block 8 is formed described 4 silicone oil passages 7 and closes, and silicone oil concentrates in silicone oil storing cavity and do not enter active chamber.When the temperature increases, there is deformation and drive described valve block 8 to rotate along rotating center in described bimetal thermal sensitive piece 9, with regard to each described rotation offset region, first the silicone oil passage 7 less along the 1st sectional area of described valve block 8 sense of rotation setting be unlocked, silicone oil enters active chamber by described silicone oil passage 7, because silicone oil has certain viscosity, in active chamber silicone oil shearing force effect under, described active plate 3 drives described housing 4 to rotate, thus drive follower plate 2 and fore shell to rotate, and then fan blade 5 is driven to rotate realization heat radiation; When temperature raises further, there is deformation further and drive described valve block 8 to proceed to rotate in described bimetal thermal sensitive piece 9, the 2nd the silicone oil passage 7 now arranged along described valve block 8 sense of rotation is also unlocked, the silicone oil amount entering active chamber strengthens further, thus the rotational speed of fan blade 5 is further enhanced.When the temperature of radiator drops to low by height, there is deformation and drive described valve block 8 to carry out counterrotating in described bimetal thermal sensitive piece 9, now valve block 8 is successively formed 2 silicone oil passages 7 on each described rotation offset region more successively and closes, enter the corresponding minimizing of silicone oil amount of active chamber, when 4 silicone oil passages 7 are all closed, silicone oil no longer enters active chamber, and the silicone oil in active chamber then flows back into silicone oil storing cavity by refluxing opening all under the influence of centrifugal force.The present embodiment is followed successively by circle and waist-hole type by the cross section arranging the described silicone oil passage 7 that two set gradually along sense of rotation, and the length direction in described waist-hole type cross section is along the rotation radial direction setting of described valve block 8, advantage is, because the length direction of waist-hole type is longer than the round diameter of homalographic, therefore by arranging the silicone oil passage 7 that cross section is waist-hole type, the lifting of silicone oil intake can be made more steady, and then make the rotating speed of fan pace of change at high temperature more steadily with accurate.
It should be noted that, in above-described embodiment, " the rotation offset region " of described valve block 8 refers to that described valve block 8 is covered with under cryogenic and regional extent that is that expose because of described valve block 8 rotation offset in temperature elevation process.In addition, above-described embodiment limits described refluxing opening eccentric setting on described active chamber, refers to that the rotating center that described refluxing opening departs from when described active chamber is rotated is arranged, thus makes silicone oil be able to be got rid of to refluxing opening place under the influence of centrifugal force.
In addition, limit described active plate in above-described embodiment and be connected with described housing rotational slide, refer to that described active plate is connected with described housing and arrange and can rotate relative to described housing simultaneously.
For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (8)
1. a silicon oil clutch, comprising:
Protecgulum, described protecgulum is provided with silicone oil storing cavity;
Follower plate, the side of described follower plate is fixedly connected with described protecgulum;
Housing, is arranged on the opposite side of described follower plate, is fixedly connected with described follower plate;
Active plate, be connected with described housing rotational slide, housing between described active plate and described follower plate is provided with active chamber, the cavity of described active chamber at least covers the surface setting of described active plate, on described active chamber, eccentric setting has refluxing opening, and described refluxing opening is connected with described silicone oil storing cavity by communicating passage;
Rotatingshaft, is fixedly connected with described active plate, is suitable for driving described active plate to rotate;
It is characterized in that, described active chamber is also connected by multiple silicone oil passage with described silicone oil storing cavity; Described multiple silicone oil passage runs through described follower plate and arranges;
At described follower plate, the side of described protecgulum is provided with valve block, is connected with bimetal thermal sensitive piece with described valve block; Described bimetal thermal sensitive piece is suitable for according to temperature variation generation deformation and drives described valve block to rotate, be positioned at multiple silicone oil channel settings on described follower plate in the rotation offset region of described valve block and heat up along described valve block time sense of rotation spread configuration.
2. silicon oil clutch according to claim 1, is characterized in that, described valve block is symmetrical arranged along the rotating center of self, forms two rotation offset regions in the both sides of described rotating center; Described multiple silicone oil passage is evenly distributed in described two rotation offset regions.
3. silicon oil clutch according to claim 2, is characterized in that, described multiple silicone oil passage is symmetrical arranged along described rotating center.
4. the silicon oil clutch according to Claims 2 or 3, is characterized in that, the sectional area being positioned at the silicone oil passage in each described rotation offset region increases successively along the intensification sense of rotation of described valve block.
5. silicon oil clutch according to claim 4, it is characterized in that, two silicone oil passages are provided with in each described rotation offset region, the cross section of described two the silicone oil passages set gradually along described intensification sense of rotation is followed successively by circle and waist-hole type, and the length direction in wherein said waist-hole type cross section is arranged along the sense of rotation of described valve block.
6. the silicon oil clutch according to claim 1 or 2 or 3, is characterized in that, described communicating passage is provided with and controls silicone oil is flowed to silicone oil storing cavity one-way valve by active chamber.
7. the silicon oil clutch according to claim 1 or 2 or 3 or 5, it is characterized in that, described bimetal thermal sensitive piece is arranged on described protecgulum.
8. a cooling fan, is characterized in that, comprises the silicon oil clutch described in arbitrary one of claim 1-7, is fixedly connected with is provided with fan blade with the housing of described silicon oil clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817544.2U CN204458906U (en) | 2014-12-22 | 2014-12-22 | A kind of silicon oil clutch and cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817544.2U CN204458906U (en) | 2014-12-22 | 2014-12-22 | A kind of silicon oil clutch and cooling fan |
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| Publication Number | Publication Date |
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| CN204458906U true CN204458906U (en) | 2015-07-08 |
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| CN201420817544.2U Active CN204458906U (en) | 2014-12-22 | 2014-12-22 | A kind of silicon oil clutch and cooling fan |
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| CN (1) | CN204458906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109312792A (en) * | 2016-07-07 | 2019-02-05 | 臼井国际产业株式会社 | Fluid-type fan clutch |
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2014
- 2014-12-22 CN CN201420817544.2U patent/CN204458906U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109312792A (en) * | 2016-07-07 | 2019-02-05 | 臼井国际产业株式会社 | Fluid-type fan clutch |
| CN109312792B (en) * | 2016-07-07 | 2020-08-18 | 臼井国际产业株式会社 | Fluid type fan clutch |
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