CN216240915U - Multistage-rotating-speed silicone oil fan clutch - Google Patents
Multistage-rotating-speed silicone oil fan clutch Download PDFInfo
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- CN216240915U CN216240915U CN202122747475.5U CN202122747475U CN216240915U CN 216240915 U CN216240915 U CN 216240915U CN 202122747475 U CN202122747475 U CN 202122747475U CN 216240915 U CN216240915 U CN 216240915U
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Abstract
The utility model discloses a multi-stage rotating speed silicone oil fan clutch, which comprises: a drive assembly; the cover body assembly comprises a shell which is rotatably sleeved on the driving shaft through a bearing, an end cover which covers the shell, a driven plate which is fixed on the end cover and provided with at least one oil outlet through hole, a temperature sensing element which is arranged on the outer side of the end cover, a valve sheet shaft of which one end is connected with the temperature sensing element and the other end points to the driving shaft through the end cover, and a valve sheet which abuts against the surface of the driven plate and can move relative to the driven plate under the driving of the valve sheet shaft, wherein the end cover is provided with a second tooth groove matched with the first tooth groove. The temperature sensing element controls the valve plate to move relative to the driven plate so as to respectively shield (namely close) and open the oil outlet through hole and the inner port of the oil return channel, so that the valve plate is in multi-stage rotating speed control of a first-stage rotating speed state, a second-stage rotating speed state and a third-stage rotating speed state.
Description
Technical Field
The utility model belongs to the technical field of automobile engine cooling system components, relates to a silicone oil fan clutch, and particularly relates to a multi-stage rotating speed silicone oil fan clutch.
Background
The Chinese patent with application number 201910531396.5 discloses a temperature-control silicone oil clutch, which comprises a driving shaft, a bearing, a shell, a driving plate, a rectangular sealing ring, a driven plate, a valve plate, a temperature sensor, a valve plate shaft, an O-shaped sealing ring, silicone oil, an end cover and an oil storage chamber, wherein the oil storage chamber is formed between the driven plate and the end cover between the driving plate and the end cover, the driving shaft transmits power to the driving plate, the driving plate transmits the power to the shell and the end cover through the silicone oil, the temperature sensor is fixed on the end cover, the temperature sensor is connected with the valve plate shaft, the valve plate shaft is connected with the valve plate, when the temperature sensor senses the temperature rise of an engine, the valve plate is driven to rotate through the valve plate shaft, an oil outlet on the driven plate is opened, so that the silicone oil transmits the power to the shell and the end cover to drive a fan to rotate at a high speed, and the heat of the engine is reduced; when the temperature sensor is lowered by the temperature of the engine, the temperature sensor resets to drive the valve plate to rotate, the oil outlet on the driven plate is closed, and meanwhile, the silicone oil returns to the oil storage chamber through the oil return pressure pump and the oil return channel.
However, the existing silicone oil clutch only has two-stage rotating speed, and when the load of the engine is small, as long as the engine runs all the time, the water temperature is increased, and the silicone oil fan clutch is in a full-meshing state.
Disclosure of Invention
The utility model aims to provide a multi-stage rotating speed silicone oil fan clutch to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a multi-speed silicone oil fan clutch comprising:
the driving assembly comprises a driving shaft and a driving plate sleeved at one end of the driving shaft, and a first tooth groove is formed in the peripheral part of the driving plate;
the cover body assembly comprises a shell, an end cover, a driven plate, a temperature sensing element, a valve plate shaft and a valve plate, wherein the shell is rotatably sleeved on the driving shaft through a bearing, the end cover is covered on the shell, the driven plate is fixed on the end cover and is provided with at least one oil outlet through hole, the temperature sensing element is arranged on the outer side of the end cover, one end of the valve plate shaft is connected with the temperature sensing element, the other end of the valve plate shaft points to the driving shaft through the end cover, the valve plate shaft abuts against the surface of the driven plate and can move relative to the driven plate under the driving of the valve plate shaft, and the end cover is provided with a second tooth groove matched with the first tooth groove;
the driving plate is positioned between the shell and the end cover so that the end cover and the driving assembly enclose an accommodating space, the accommodating space is divided into a working cavity adjacent to the driving assembly and an oil storage cavity positioned in the end cover by the driven plate, and at least one group of oil return channels communicated with the oil storage cavity and oil return holes communicated with each group of oil return channels and the second tooth grooves are formed in the end cover;
the valve plate comprises a plate body, a first sealing sheet which is formed at least one end of the plate body and matched with the oil outlet through hole, and a second sealing sheet which extends outwards from the side face of the plate body, wherein the end of the second sealing sheet is provided with a bending part matched with the oil return channel;
the silicone oil fan clutch has a primary rotational speed state, a secondary rotational speed state and a tertiary rotational speed state: when the valve plate is in a first-level rotating speed state, the valve plate blocks the oil outlet through hole, and the bent part blocks the oil return channel; when the valve plate is in a secondary rotating speed state, the valve plate blocks the oil outlet through hole, and the bent part does not block the oil return channel; when the valve plate is in a three-level rotating speed state, the valve plate does not shield the oil outlet through hole, and the bent part does not shield the oil return channel.
Optimally, the number of the oil outlet through holes is two, the connecting line of the oil outlet through holes passes through the center of the driven plate, and the first sealing pieces are two and are respectively formed at two ends of the sheet body.
Furthermore, an adapter plate is connected between the plate body and the first sealing plate.
Furthermore, an included angle between each of the transfer sheets and an extension line where the sheet body is located is larger than an included angle between each of the first sealing sheets and the extension line where the sheet body is located.
Optimally, the bent part is perpendicular to the sheet body, and the extending direction of the bent part is opposite to the extending direction of the first sealing sheet.
Optimally, the other end of the valve plate shaft is connected with the valve plate.
Preferably, at least one first sealing ring is arranged between the end cover and the shell, or/and at least one second sealing ring is arranged between the valve piece shaft and the end cover.
Compared with the prior art, the utility model has the beneficial effects that: according to the multi-stage rotating speed silicone oil fan clutch, the temperature sensing element controls the valve plate to move relative to the driven plate so as to respectively shield (namely close) and open the oil outlet through hole and the inner port of the oil return channel, so that the multi-stage rotating speed control is performed in the first-stage rotating speed state, the second-stage rotating speed state and the third-stage rotating speed state, the unnecessary power consumption of an engine is reduced, the engine is ensured to work at the optimum temperature, the combustion of the engine is improved, the vibration of the engine is reduced, the service life of the engine is prolonged, energy is saved, emission is reduced, noise is reduced, and the comfort level of a user is improved.
Drawings
FIG. 1 is a schematic structural diagram of a multi-speed silicone oil fan clutch according to the present invention;
FIG. 2 is an enlarged view of a portion of the multi-speed silicone oil fan clutch of the present invention;
FIG. 3 is a schematic structural diagram of a driven plate in the multi-speed silicone oil fan clutch according to the present invention;
FIG. 4 is a schematic structural diagram of a valve plate in the multi-stage-speed silicone oil fan clutch according to the present invention;
fig. 5 is a side view of fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The multi-speed silicone oil fan clutch shown in fig. 1 and 2 mainly comprises a driving assembly and a cover assembly which are matched with each other.
The driving assembly comprises a driving shaft 1 and a driving plate 4 sleeved at one end of the driving shaft 1, and a first tooth groove is formed in the peripheral part of the driving plate 4. In the present embodiment, the diameter of the driveshaft 1 decreases from one end to the other end in the direction of the axis thereof, so that a plurality of steps (which can be used for mounting other parts such as bearings) are formed on the driveshaft 1; the active plate 4 is mounted at the end portion (defined as the outer end portion) having a smaller diameter. In the present embodiment, the driving plate 4 and the driving shaft 1 are fixedly connected by a conventional fastening member such as a spline, so that the driving plate 4 rotates synchronously when the driving shaft 1 rotates.
The cover assembly mainly comprises a bearing 2, a shell 3, an end cover 7, a driven plate 8, a valve plate 9, a temperature sensing element 10 and the like. The shell 3 is rotatably sleeved on the driving shaft 1 through the bearing 2, so that the rotation of the driving shaft 1 does not influence the shell 3. The end cover 7 is covered on the shell 3 and forms a certain interval with the outer end part of the driving shaft 1; in this embodiment, the end cap 7 and the housing 3 are fixed at their edges by riveting, welding, or the like in a conventional manner, so that the end cap 7 and the housing 3 move in synchronization. The driven plate 8 is fixed on the end cover 7 (the end cover 7 is provided with a cavity, and the driven plate 8 is usually fixed in the cavity), and is provided with at least one oil outlet through hole 21; in the present embodiment, the oil outlet through holes 21 are two and the connecting line thereof passes through the center of the driven plate 8, that is, the two oil outlet through holes 21 are symmetrical with respect to the center of the driven plate 8 (as shown in fig. 3). The temperature sensing element 10 is formed by attaching bimetallic strips with different thermal coefficients, is arranged on the outer side of the end cover 7, and can be of a conventional structure such as a strip type or a coil spring type (in the embodiment, the temperature sensing element 10 is of a coil spring type, one end of the temperature sensing element is connected with the valve sheet shaft 11, and the other end of the temperature sensing element is connected to the end cover 7 after being wound for multiple turns). One end of the valve sheet shaft 11 is connected with the temperature sensing element 10, and the other end is directed to the driving shaft 1 through the end cover 7 (i.e., through the end cover 7). The valve plate 9 is propped against the surface of the driven plate 8 and can move relative to the driven plate 8 under the drive of the valve plate shaft 11; in this embodiment, the other end of the valve plate shaft 11 may be square to connect with the valve plate 9 through a square hole 94 (i.e. the middle of the valve plate 9 has the square hole 94), and when the valve plate shaft 11 rotates with its own axis as a rotation axis, the valve plate 9 can be driven to move synchronously relative to the driven plate 8. In this embodiment, the end cap 7 has a second spline that mates with the first spline. The driving plate 4 is located between the housing 3 and the end cover 7 to enable the end cover 7 and the driving assembly to enclose an accommodating space, the driven plate 8 divides the accommodating space into a working cavity adjacent to the driving assembly and an oil storage cavity 13 located in the end cover 7, and at least one set of oil return channels 25 (the specific number can be determined according to actual requirements) communicated with the oil storage cavity 13 and oil return holes 24 (namely, the oil return holes 24 are communicated with the working cavity) communicated with each set of oil return channels 25 and the corresponding second tooth grooves are formed in the end cover 7.
In this embodiment, the valve sheet 9 includes a sheet body 91, a first sealing sheet 92 (generally integrally formed) formed at least one end of the sheet body 91 and cooperating with the oil outlet through hole 21, and a second sealing sheet 96 extending from the side of the sheet body 91, and an end (i.e., a free end) of the second sealing sheet 96 has a bending portion 961 cooperating with the oil return passage 25 (defining an intersection of the oil return passage 25 and the oil storage chamber 13 as an inner port thereof, and the bending portion 961 is shielded to seal the inner port), as shown in fig. 4 and 5.
Thus, the silicone oil fan clutch has a primary rotating speed state, a secondary rotating speed state and a tertiary rotating speed state: when the valve plate is in a first-level rotating speed state, the valve plate 9 blocks the oil outlet through hole 21 and the bending part 961 blocks the oil return channel 25; when the valve plate is in the second-stage rotating speed state, the valve plate 9 blocks the oil outlet through hole 21, and the bent part 961 does not block the oil return channel 25; when the valve plate is in the three-stage rotating speed state, the valve plate 9 does not block the oil outlet through hole 21 and the bending part 961 does not block the oil return channel 25. The multi-stage rotating speed silicone oil fan clutch can reduce unnecessary power consumption of an engine, ensure that the engine works at the optimum temperature, improve combustion of the engine, reduce vibration of the engine, prolong the service life of the engine, save energy, reduce emission, reduce noise and improve the comfort of a user.
In the present embodiment, the first seal fin 92 is formed in two pieces (that is, the number of the pieces is equal to the number of the oil outlet through holes 21) at both ends of the fin body 91. The included angle between the extension lines of each first sealing sheet 92 and the sheet body 91 is an acute angle (the specific angle can be selected according to actual needs). An adapter plate 93 is connected between the plate body 91 and the first sealing plate 92, and the included angle between each adapter plate 93 and the extended line of the plate body 91 is larger than the included angle between each first sealing plate 92 and the extended line of the plate body 91, so that the sealing effect of the valve plate 9 and the driven plate 8 is ensured; the bent portion 961 may be perpendicular to the sheet body 91 and extend in a direction opposite to the extending direction of the first sealing sheet 92.
In this embodiment, at least one first sealing ring 5 is disposed between the end cap 7 and the housing 3 to prevent oil leakage after silicone oil is injected. At least one second sealing ring 12 is arranged between the valve plate shaft 11 and the end cover 7 to ensure the sealing performance between the working chamber and the oil storage chamber 13. And a sealing steel ball 6 is arranged in the oil return channel 25, and the sealing steel ball 6 is positioned at the outer side of the corresponding oil return hole 24 to avoid oil leakage.
The working principle of the multistage-speed silicone oil fan clutch is as follows:
when the temperature sensing element 10 (i.e. the temperature sensor) is heated (i.e. the temperature sensing element 10 senses the temperature rise of the engine, and the deformation of the two metal sheets changes in different degrees at this time), the deformation of the temperature sensing element 10 controls the valve sheet shaft 11 to rotate (i.e. the deformation of the two metal sheets changes in different degrees, so as to drive the valve sheet shaft 11 to rotate), and further drive the valve sheet 9 and the driven plate 8 to rotate relatively.
When the temperature T (the temperature sensed by the temperature sensor, the same applies below) is not less than the set temperature point T1When the multi-stage rotating speed silicone oil fan clutch is in the second-stage rotating speed state, the valve plate 9 blocks the oil outlet through hole 21, and the bending part 961 does not block the oil return channel 25 (namely, the inner port of the oil return channel 25 is opened, the same applies below); when the temperature T is more than or equal to the set temperature point T2When the multi-stage silicone oil fan clutch is in a three-stage rotating speed state, the valve plate 9 does not shield the oil outlet through hole 21 (namely the oil outlet through hole 21 is opened), the bent part 961 does not shield the oil return channel 25, and the multi-stage silicone oil fan clutch is in a three-stage rotating speed state; when in useTemperature T is less than or equal to set temperature point T3When the multi-stage rotating speed silicone oil fan clutch is in a two-stage rotating speed state, the valve plate 9 and the driven plate 8 are matched to close the oil outlet through hole 21, the inner port of the oil return channel 25 is in an open state, and the multi-stage rotating speed silicone oil fan clutch is in a two-stage rotating speed state; when the temperature T is less than or equal to the set temperature point T4When the multi-stage rotating speed silicone oil fan clutch is in a first-stage rotating speed state, the valve plate 9 and the driven plate 8 are matched to close the oil outlet through hole 21 and the inner port of the oil return channel 25. Namely, the multistage rotating speed silicone oil fan clutch realizes the control of multistage rotating speed by mutually matching the temperature control valve plate 6 and the driven plate 8 to open or close the oil outlet through hole 21 and the oil return channel 25.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A multi-speed silicone oil fan clutch comprising:
the driving assembly comprises a driving shaft (1) and a driving plate (4) sleeved at one end of the driving shaft (1), and a first tooth groove is formed in the peripheral part of the driving plate (4);
the cover body assembly comprises a shell (3) which is rotatably sleeved on the driving shaft (1) through a bearing (2), an end cover (7) which is covered on the shell (3), a driven plate (8) which is fixed on the end cover (7) and provided with at least one oil outlet through hole (21), a temperature sensing element (10) which is arranged on the outer side of the end cover (7), a valve sheet shaft (11) of which one end is connected with the temperature sensing element (10) and the other end points to the driving shaft (1) through the end cover (7), and a valve sheet (9) which is abutted against the surface of the driven plate (8) and can move relative to the driven plate (8) under the driving of the valve sheet shaft (11), wherein the end cover (7) is provided with a second tooth groove matched with the first tooth groove;
the driving plate (4) is located between the shell (3) and the end cover (7) to enable the end cover (7) and the driving assembly to enclose an accommodating space, the accommodating space is divided into a working cavity adjacent to the driving assembly and an oil storage cavity (13) located in the end cover (7) by the driven plate (8), at least one group of oil return channels (25) communicated with the oil storage cavity (13) and oil return holes (24) communicated with each group of oil return channels (25) and the second tooth grooves are formed in the end cover (7);
the method is characterized in that: the valve plate (9) comprises a plate body (91), a first sealing sheet (92) which is formed at least one end of the plate body (91) and matched with the oil outlet through hole (21), and a second sealing sheet (96) which extends outwards from the side surface of the plate body (91), wherein the end part of the second sealing sheet (96) is provided with a bending part (961) matched with the oil return channel (25);
the silicone oil fan clutch has a primary rotational speed state, a secondary rotational speed state and a tertiary rotational speed state: when the valve plate is in a first-level rotating speed state, the valve plate (9) blocks the oil outlet through hole (21) and the bending part (961) blocks the oil return channel (25); when the valve plate is in a two-stage rotating speed state, the valve plate (9) blocks the oil outlet through hole (21) and the bent part (961) does not block the oil return channel (25); when the valve plate is in a three-level rotating speed state, the valve plate (9) does not shield the oil outlet through hole (21) and the bending part (961) does not shield the oil return channel (25).
2. The multi-speed silicone oil fan clutch of claim 1, wherein: the number of the oil outlet through holes (21) is two, the connecting line of the oil outlet through holes passes through the center of the driven plate (8), and the number of the first sealing pieces (92) is two, and the first sealing pieces are respectively formed at two ends of the piece body (91).
3. The multi-speed silicone oil fan clutch of claim 1 or 2, wherein: an adapter sheet (93) is connected between the sheet body (91) and the first sealing sheet (92).
4. The multi-speed silicone oil fan clutch of claim 3, wherein: an included angle between the extension lines of the switching piece (93) and the piece body (91) is larger than an included angle between the extension lines of the first sealing piece (92) and the piece body (91).
5. The multi-speed silicone oil fan clutch of claim 1, wherein: the bent portion (961) is perpendicular to the sheet body (91) and the extending direction of the bent portion is opposite to the extending direction of the first sealing sheet (92).
6. The multi-speed silicone oil fan clutch of claim 1, wherein: the other end of the valve plate shaft (11) is connected with the valve plate (9).
7. The multi-speed silicone oil fan clutch of claim 1, wherein: at least one first sealing ring (5) is arranged between the end cover (7) and the shell (3), or/and at least one second sealing ring (12) is arranged between the valve piece shaft (11) and the end cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122747475.5U CN216240915U (en) | 2021-11-10 | 2021-11-10 | Multistage-rotating-speed silicone oil fan clutch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122747475.5U CN216240915U (en) | 2021-11-10 | 2021-11-10 | Multistage-rotating-speed silicone oil fan clutch |
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| Publication Number | Publication Date |
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| CN216240915U true CN216240915U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122747475.5U Active CN216240915U (en) | 2021-11-10 | 2021-11-10 | Multistage-rotating-speed silicone oil fan clutch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217860A (en) * | 2022-07-29 | 2022-10-21 | 苏州睿昕汽车配件有限公司 | Novel silicone oil clutch |
-
2021
- 2021-11-10 CN CN202122747475.5U patent/CN216240915U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217860A (en) * | 2022-07-29 | 2022-10-21 | 苏州睿昕汽车配件有限公司 | Novel silicone oil clutch |
| CN115217860B (en) * | 2022-07-29 | 2023-06-23 | 苏州睿昕汽车配件有限公司 | Silicon oil clutch |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multi-stage speed silicone oil fan clutch Effective date of registration: 20230511 Granted publication date: 20220408 Pledgee: Jiangsu Taicang Rural Commercial Bank Co.,Ltd. Huaxia Branch Pledgor: SUZHOU RISING AUTO PARTS Co.,Ltd. Registration number: Y2023980040376 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |