CN110966316A - Silicon oil fan clutch - Google Patents
Silicon oil fan clutch Download PDFInfo
- Publication number
- CN110966316A CN110966316A CN201911314688.XA CN201911314688A CN110966316A CN 110966316 A CN110966316 A CN 110966316A CN 201911314688 A CN201911314688 A CN 201911314688A CN 110966316 A CN110966316 A CN 110966316A
- Authority
- CN
- China
- Prior art keywords
- silicone oil
- plate
- fan clutch
- valve
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003921 oil Substances 0.000 title description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title description 2
- 229910052710 silicon Inorganic materials 0.000 title description 2
- 239000010703 silicon Substances 0.000 title description 2
- 229920002545 silicone oil Polymers 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000012634 fragment Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D35/00—Fluid clutches in which the clutching is predominantly obtained by fluid adhesion
- F16D35/02—Fluid clutches in which the clutching is predominantly obtained by fluid adhesion with rotary working chambers and rotary reservoirs, e.g. in one coupling part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/042—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using fluid couplings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a silicone oil fan clutch, comprising: a housing; the front cover is detachably connected with the shell, and an accommodating cavity is formed between the front cover and the shell; a drive shaft rotatably supported within the housing; the driving plate is sleeved on the driving shaft, can rotate along with the driving shaft and divides the accommodating cavity into an oil storage cavity and a working cavity, the driving plate is provided with a through hole, and the driven plate is arranged at one end of the driving shaft; the valve plate mechanism is arranged at the axis position of the front cover and can be attached to the driven plate; the temperature sensor is rotatably supported on the front cover, a valve plate mechanism is arranged at one end of the driven plate, and through temperature sensing rotation, silicone oil flows from the oil storage cavity to the working cavity, so that the amount of the silicone oil is increased, the torque between the driving plate and the shell is increased, and the silicone oil clutch drives the fan to rotate at a high speed, so that the purpose of cooling the engine is achieved, and the operation is stable and sensitive.
Description
Technical Field
The invention relates to the field of clutches, in particular to a silicone oil fan clutch.
Background
The silicone oil fan clutch is mainly applied to automobiles, and in the running process of the automobiles, the thermal condition of an engine is changed due to the change of environmental conditions and operating conditions, so that the cooling strength of the engine needs to be adjusted at any time. In hot seasons, the engine operates at a low speed and under a large load, the temperature of the coolant is very high, and the fan should rotate at a high speed to increase the cooling air volume and enhance the heat dissipation capability of the radiator, while in cold seasons, when the temperature of the coolant is low, or when the automobile runs at a high speed and strong head-on wind blows over the radiator, the fan continues to operate, which makes no sense, and not only consumes the power of the engine, but also generates very large noise, so that it is very important to adjust the cooling intensity of the engine at any time according to the thermal condition of the engine. The common silicone oil fan clutch is controlled by a bimetallic strip, so that the sensitivity is poor and needs to be improved.
Disclosure of Invention
The invention designs and develops a silicone oil fan clutch, wherein a valve plate mechanism is arranged at one end of a driven plate, and silicone oil flows from an oil storage cavity to a working cavity through temperature sensing rotation, so that the amount of the silicone oil is increased, the torque between a driving plate and a shell is increased, and the silicone oil clutch drives a fan to rotate at a high speed, thereby achieving the purpose of cooling an engine and realizing stable operation and sensitive response.
The invention also aims to provide the design size and the number of the through holes, so that the silicone oil in the accommodating cavity can flow between the oil storage cavity and the working cavity at a constant speed, and the starting sensitivity of the silicone oil fan clutch is improved.
The technical scheme provided by the invention is as follows:
a silicone oil fan clutch comprising:
a housing;
the front cover is detachably connected with the shell, and an accommodating cavity is formed between the front cover and the shell;
a drive shaft rotatably supported within the housing;
the driving plate is sleeved on the driving shaft, can rotate along with the driving shaft, and divides the accommodating cavity into an oil storage cavity and a working cavity;
a driven plate provided at one end of the driving shaft;
the valve plate mechanism is arranged at the axis position of the front cover and can be attached to the driven plate;
and the temperature sensor is rotatably supported on the front cover, can detect the temperature of the engine and can rotate when heated.
Preferably, the driving shaft includes:
the shaft body is provided with an annular groove at one end and a supporting and mounting hole at the other end;
the mounting ring is sleeved at one end of the shaft body, is positioned in the annular groove and is provided with a boss;
and the rotating speed adjusting ring is annular, is integrally sleeved at the other end of the shaft body and can rotate along with the shaft body around the center of the shaft body shaft.
Preferably, the active plate includes:
the clamping part is annular, the inner ring is provided with a U-shaped clamping groove and can be clamped in the boss of the mounting ring, and the clamping part is provided with through holes distributed in an array manner;
the sliding part is annular and is integrally sleeved with the outer ring of the clamping part.
Preferably, the through-hole has an elliptical shape.
Preferably, the sliding part is characterized in that one side of the sliding part is provided with first annular grooves distributed in an array, and the other side of the sliding part is provided with second annular grooves distributed in an array.
Preferably, the number of the first annular grooves is smaller than the number of the second annular grooves.
Preferably, the valve plate mechanism includes:
a valve body;
the valve seat is connected with the valve body through a bearing;
the valve block, it sets up on the valve body, just the valve block middle part has the shell fragment of taking the angle.
Preferably, the upper part of the valve plate is provided with an armature, and the armature is fixedly connected with the valve plate.
Preferably, the number of the through holes distributed in the array of the clamping parts is 8-12.
Preferably, the length of the major axis of the through-hole is:
wherein R isLIs the length of the long axis of the through hole, k is throughNumber of holes, LtThe diameter of the outer edge of the sliding part of the driving plate is LbThe diameter of the inner edge of the sliding part of the active plate is tauaRadius of a virtual circle formed by the centers of a plurality of through holes, D*The outer diameter of the clamping part of the driving plate, omega is unit time, delta f is the maximum rotating speed of the driving shaft, VaVolume of oil reservoir, VnIs the working chamber volume, D0The diameter of the swept area of the fan blades, NA, is a constant related to the rotational speed.
The minor axis length of the through hole is:
Rs＝RL(1-ω0)；
wherein R issMinor axis length of through-hole, ω0Is a coefficient of ratio.
The invention has the advantages of
The invention designs and develops a silicone oil fan clutch, wherein a valve plate mechanism is arranged at one end of a driven plate, and silicone oil flows from an oil storage cavity to a working cavity through temperature sensing rotation, so that the amount of the silicone oil is increased, the torque between a driving plate and a shell is increased, and the silicone oil clutch drives a fan to rotate at a high speed, thereby achieving the purpose of cooling an engine and realizing stable operation and sensitive response.
When the temperature sensor is not changed in the normal temperature state, the driving shaft drives the clutch to rotate at a low speed according to the rotation number of the engine. When the engine is overheated, the temperature sensor rotates, thereby playing the purpose of cooling the engine and having the advantages of long service life, environmental protection, energy consumption reduction, stable operation and the like.
The invention also aims to provide the design size and the number of the through holes, so that the silicone oil in the accommodating cavity can flow between the oil storage cavity and the working cavity at a constant speed, and the starting sensitivity of the silicone oil fan clutch is improved.
Drawings
Fig. 1 is a schematic structural diagram of a silicone oil fan clutch according to the present invention.
Fig. 2 is a schematic structural diagram of the driving shaft according to the present invention.
Fig. 3 is a schematic structural diagram of one side of the active plate according to the present invention.
FIG. 4 is a schematic structural diagram of the other side of the active plate according to the present invention.
FIG. 5 is a schematic structural diagram of the valve plate mechanism according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1, the silicone oil fan clutch provided by the present invention includes: a housing 102, a front cover 108, a driving shaft 101, a driving plate 105, a driven plate 107, a valve plate mechanism 106, and a temperature sensor 112.
The front cover 108 is detachably connected to the housing 102 through bolts, and an accommodating cavity is formed between the front cover 108 and the housing 102, and as a preference, a sealing ring 104 is arranged between the front cover 108 and the housing 102;
the drive shaft 101 is rotatably supported in the housing 102 by a bearing 103; the driving plate 105 is sleeved on the driving shaft 101, can rotate along with the driving shaft 101, and divides the accommodating cavity into an oil storage cavity 110 and a working cavity 109, a through hole 113 is formed in the driving plate 105, and silicone oil in the accommodating cavity can flow between the oil storage cavity 110 and the working cavity 109 through the through hole 113;
the driven plate 107 is arranged at one end of the driving shaft 101; the valve plate mechanism 106 is arranged at the axis position of the front cover 108 and can be attached to the driven plate 107; the temperature sensor 112 is rotatably supported on the front cover 108, and is capable of detecting the engine temperature and rotating when heated.
When the engine is overheated, the temperature sensor 112 is heated and rotated, the valve plate mechanism 106 is attached to the driven plate 107, silicone oil flows from the oil storage cavity 110 to the working cavity 1099 through the through hole 113, due to the increase of the amount of the silicone oil, the torque between the driving plate 105 and the shell 102 is increased, and the silicone oil clutch drives the fan to rotate at a high speed, so that the purpose of cooling the engine is achieved.
As shown in fig. 2, the driving shaft 101 includes: a shaft body 210, a mounting ring 220 and a rotating speed adjusting ring 230.
The shaft body 210 has an annular groove 211 at one end and a support mounting hole 212 at the other end; the mounting ring 220 is sleeved at one end of the shaft body 210, is positioned in the annular groove 211 and is provided with a boss 221; the rotation speed adjusting ring 230 is annular, and is integrally sleeved at the other end of the shaft body 210 and can rotate along the axis direction of the shaft body along with the shaft body 210.
As shown in fig. 3-4, the active plate 105 includes: a snap-in portion 310 and a slide portion 320. The clamping portion 310 is annular, the inner ring is provided with a U-shaped clamping groove 311, the clamping portion can be clamped in a boss of the mounting ring 220, and through holes 113 distributed in an array form are formed in the surface of the clamping portion 310; the sliding portion 320 is annular and integrally sleeved on the outer ring of the clamping portion 310.
Preferably, the through-hole 113 has an elliptical shape. The sliding part 320 has first annular grooves 321 arranged in an array on one side, and the sliding part 320 has second annular grooves 322 arranged in an array on the other side. The number of the first annular grooves 321 is smaller than the number of the second annular grooves 322.
As shown in fig. 5, the valve sheet mechanism 106 includes: the valve comprises a valve body 410, a valve seat 420 and a valve plate 430, wherein the valve seat 420 is connected with the valve body 410 through a bearing; valve block 430 sets up on valve body 410, and valve block 410 middle part has the shell fragment of taking the angle, and as an optimization, valve block 430 upper portion is equipped with armature, and armature and valve block 410 fixed connection. Preferably, the valve plate 430 is made of an elastic steel plate.
The valve plate mechanism 106 can rotate along with the temperature sensor 112, when the engine is overheated, the temperature sensor 112 is heated and rotated, the valve plate in the valve plate mechanism 106 is attached to the driven plate 107, silicone oil flows from the oil storage cavity 110 to the working cavity 109 through the through hole 113, due to the increase of the amount of the silicone oil, the torque between the driving plate 105 and the shell 102 is increased, and the silicone oil clutch drives the fan to rotate at a high speed, so that the purpose of cooling the engine is achieved.
Preferably, the number of the through holes distributed in the array of the clamping parts is 8-12.
Preferably, the length of the major axis of the through-hole is:
wherein R isLThe length of the long axis of the through hole, k the number of the through holes, LtThe diameter of the outer edge of the sliding part of the driving plate is LbIs mainly composed ofInner edge diameter, tau, of sliding part of moving plateaRadius of a virtual circle formed by the centers of a plurality of through holes, D*The outer diameter of the clamping part of the driving plate, omega is unit time, delta f is the maximum rotating speed of the driving shaft, VaVolume of oil reservoir, VnIs the working chamber volume, D0The diameter of the swept area of the fan blades, NA, is a constant related to the rotational speed.
The minor axis length of the through hole is:
Rs＝RL(1-ω0)；
wherein R issMinor axis length of through-hole, ω0Is a coefficient of ratio
The invention designs and develops a silicone oil fan clutch, wherein a valve plate mechanism is arranged at one end of a driven plate, and silicone oil flows from an oil storage cavity to a working cavity through temperature sensing rotation, so that the amount of the silicone oil is increased, the torque between a driving plate and a shell is increased, and the silicone oil clutch drives a fan to rotate at a high speed, thereby achieving the purpose of cooling an engine and realizing stable operation and sensitive response.
When the temperature sensor is not changed in the normal temperature state, the driving shaft drives the clutch to rotate at a low speed according to the rotation number of the engine. When the engine is overheated, the temperature sensor rotates, thereby playing the purpose of cooling the engine and having the advantages of long service life, environmental protection, energy consumption reduction, stable operation and the like.
The invention also aims to provide the design size and the number of the through holes, so that the silicone oil in the accommodating cavity can flow between the oil storage cavity and the working cavity at a constant speed, and the starting sensitivity of the silicone oil fan clutch is improved.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A silicone oil fan clutch, comprising:
a housing;
the front cover is detachably connected with the shell, and an accommodating cavity is formed between the front cover and the shell;
a drive shaft rotatably supported within the housing;
the driving plate is sleeved on the driving shaft, can rotate along with the driving shaft and divides the accommodating cavity into an oil storage cavity and a working cavity, the driving plate is provided with a through hole, and silicone oil in the accommodating cavity can flow between the through hole and the through hole;
a driven plate provided at one end of the driving shaft; oil storage chamber and working chamber
The valve plate mechanism is arranged at the axis position of the front cover and can be attached to the driven plate;
and the temperature sensor is rotatably supported on the front cover, can detect the temperature of the engine and can rotate when heated.
2. The silicone oil fan clutch of claim 1, wherein the drive shaft comprises:
the shaft body is provided with an annular groove at one end and a supporting and mounting hole at the other end;
the mounting ring is sleeved at one end of the shaft body, is positioned in the annular groove and is provided with a boss;
and the rotating speed adjusting ring is annular, is integrally sleeved at the other end of the shaft body and can rotate along with the shaft body around the center of the shaft body shaft.
3. The silicone oil fan clutch of claim 2, wherein the active plate comprises:
the clamping part is annular, the inner ring is provided with a U-shaped clamping groove and can be clamped in the boss of the mounting ring, and the clamping part is provided with through holes distributed in an array manner;
the sliding part is annular and is integrally sleeved with the outer ring of the clamping part.
4. The silicone oil fan clutch of claim 3, wherein the through-holes are oval-shaped.
5. The silicone oil fan clutch of claim 3 or 4, wherein one side of the sliding portion has a first annular groove arranged in an array and the other side of the sliding portion has a second annular groove arranged in an array.
6. The silicone oil fan clutch of claim 5, wherein the number of first annular grooves is less than the number of second annular grooves.
7. The silicone oil fan clutch of claim 1, wherein the valve plate mechanism comprises:
a valve body;
the valve seat is connected with the valve body through a bearing;
the valve block, it sets up on the valve body, just the valve block middle part has the shell fragment of taking the angle.
8. The silicone oil fan clutch as set forth in claim 7, wherein an armature is disposed on an upper portion of the valve plate, and the armature is fixedly connected to the valve plate.
9. The silicone oil fan clutch as set forth in claim 3, wherein the number of the through holes distributed in the array of the engaging portions is 8-12.
10. The silicone oil fan clutch of claim 9, wherein the through-holes have a major axis length of:
wherein R isLThe length of the long axis of the through hole, k the number of the through holes, LtBeing active platesOuter edge diameter of sliding part, LbThe diameter of the inner edge of the sliding part of the active plate is tauaRadius of a virtual circle formed by the centers of a plurality of through holes, D*The outer diameter of the clamping part of the driving plate, omega is unit time, delta f is the maximum rotating speed of the driving shaft, VaVolume of oil reservoir, VnIs the working chamber volume, D0The diameter of the swept area of the fan blades, NA, is a constant related to the rotational speed.
The minor axis length of the through hole is:
Rs＝RL(1-ω0)；
wherein R issMinor axis length of through-hole, ω0Is a coefficient of ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314688.XA CN110966316A (en) | 2019-12-19 | 2019-12-19 | Silicon oil fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314688.XA CN110966316A (en) | 2019-12-19 | 2019-12-19 | Silicon oil fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110966316A true CN110966316A (en) | 2020-04-07 |
Family
ID=70035050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911314688.XA Pending CN110966316A (en) | 2019-12-19 | 2019-12-19 | Silicon oil fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110966316A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520224A (en) * | 2020-04-28 | 2020-08-11 | 苏州奥沃汽车配件有限公司 | Silicon oil fan clutch with silicon oil circulating oil way system |
| CN113847135A (en) * | 2021-09-24 | 2021-12-28 | 苏州奥沃汽车配件有限公司 | Positive and negative stepless speed change electric control silicone oil fan clutch for vehicle |
| CN113864356A (en) * | 2021-09-24 | 2021-12-31 | 苏州奥沃汽车配件有限公司 | Bearing sealing structure of clutch of silicone oil fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201771590U (en) * | 2010-08-31 | 2011-03-23 | 苏州睿昕汽车配件有限公司 | Screw type silicone-oil clutch |
| CN202360205U (en) * | 2011-12-04 | 2012-08-01 | 上海裕珂汽车天窗有限公司 | Silicone oil fan clutch capable of controlling disengagement rotating speed |
| CN211525384U (en) * | 2019-12-19 | 2020-09-18 | 长春宝成汽车电子有限公司 | Silicon oil fan clutch |
-
2019
- 2019-12-19 CN CN201911314688.XA patent/CN110966316A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201771590U (en) * | 2010-08-31 | 2011-03-23 | 苏州睿昕汽车配件有限公司 | Screw type silicone-oil clutch |
| CN202360205U (en) * | 2011-12-04 | 2012-08-01 | 上海裕珂汽车天窗有限公司 | Silicone oil fan clutch capable of controlling disengagement rotating speed |
| CN211525384U (en) * | 2019-12-19 | 2020-09-18 | 长春宝成汽车电子有限公司 | Silicon oil fan clutch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520224A (en) * | 2020-04-28 | 2020-08-11 | 苏州奥沃汽车配件有限公司 | Silicon oil fan clutch with silicon oil circulating oil way system |
| CN113847135A (en) * | 2021-09-24 | 2021-12-28 | 苏州奥沃汽车配件有限公司 | Positive and negative stepless speed change electric control silicone oil fan clutch for vehicle |
| CN113864356A (en) * | 2021-09-24 | 2021-12-31 | 苏州奥沃汽车配件有限公司 | Bearing sealing structure of clutch of silicone oil fan |
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