CN212614989U - Electric control silicone oil fan clutch - Google Patents
Electric control silicone oil fan clutch Download PDFInfo
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- CN212614989U CN212614989U CN202021195189.1U CN202021195189U CN212614989U CN 212614989 U CN212614989 U CN 212614989U CN 202021195189 U CN202021195189 U CN 202021195189U CN 212614989 U CN212614989 U CN 212614989U
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Abstract
The utility model relates to an automobile engine cooling system field provides an automatically controlled silicon oil fan clutch, including the driving shaft, the driving plate, the valve block, the driving plate is connected on the driving shaft and is rotated by the drive of driving shaft, be provided with spacing hole of valve block and inlet port on the driving plate, the valve block has elasticity and is spacing in the spacing hole of valve block, the one end of valve block is fixed and is made the valve block rotate around this stiff end on the driving plate, the other end of valve block is bent and the end that should bend is used for closed inlet port, still be provided with the valve block locating part on the pore wall in the spacing hole of valve block top, the valve block locating part is used for restricting the ascending pivoted. By adding the valve plate limiting part, the valve plate is always pre-deformed to the same position when being in or recovering the free state, the problem that the valve plate is failed to be attracted by the electromagnet due to the difference of the valve plate bending process is solved, and the requirement on the valve plate bending process is lowered.
Description
Technical Field
The utility model relates to an automobile engine cooling system field more exactly relates to an automatically controlled silicon oil fan clutch.
Background
The electric control silicone oil fan clutch is applied to an engine cooling system, and can effectively realize the energy-saving effect of an automobile. When the temperature sensor acquires that the engine is in a low-temperature state, the electric control system controls the electromagnet to be electrified, so that an iron core of the electromagnet is magnetized, an oil inlet is sealed through the electromagnetic attraction valve plate, silicone oil does not flow into the meshing cavity any more, the torque of the driving plate cannot be effectively transmitted to the driven plate, and the fan is stopped or rotates at a low speed; when the temperature sensor acquires that the engine is in a high-temperature state, the electric control system controls the electromagnet to be powered off, the iron core of the electromagnet is demagnetized, the valve plate rebounds to the original position to open the oil inlet hole, and the silicone oil flows into the meshing cavity to transfer torque so as to enable the fan to rotate at a high speed and rapidly cool the engine.
Because the valve plate needs to frequently open or close the oil inlet, the material, shape and free position of the valve plate can affect the working effect. The existing bending process level is limited, the bending angle of the valve plate is unstable, the valve plate is in a free state when the existing clutch is not electrified, the position of the valve plate in the free state depends on the unstable bending angle of the valve plate, the valve plate is different in height, the position difference of the free state is large, and the electromagnetic attraction distance of a part of products is too far, so that the attraction failure can be caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an automatically controlled silicon oil fan clutch, no matter how the angle of bending of valve block, can both guarantee that the valve block is suitable with the distance of electro-magnet in the position when not being absorbed, can not lead to the actuation failure because the electromagnetism actuation distance is too far away.
The technical solution of the utility model is, a automatically controlled silicon oil fan clutch is provided, including the driving shaft, the driving plate, the valve block, the driving plate is connected on the driving shaft and is rotated by the drive of driving shaft, be provided with spacing hole of valve block and inlet port on the driving plate, the valve block has elasticity and is spacing in the spacing hole of valve block, the one end of valve block is fixed and is made the valve block rotate around this stiff end on the driving plate, the other end of valve block is bent and should bend the end and be used for closed inlet port, still be provided with the valve block locating part on the pore wall in the spacing hole of valve block top, the valve block locating part is used for restricting the ascending pivoted.
Compared with the prior art, the utility model discloses an automatically controlled silicon oil fan clutch has following advantage: by adding the valve plate limiting part, the valve plate is always pre-deformed to the same position when being in or recovering the free state, the problem that the valve plate is failed to be attracted by the electromagnet due to the difference of the valve plate bending process is solved, the requirement on the valve plate bending process is lowered, the difficulty of magnetic design is lowered, and meanwhile, the detection of the initial position of the valve plate in the assembling process is avoided.
Preferably, the valve plate limiting piece is a boss, and the boss is fixed on the driving plate. By adopting the structure, the position of the valve plate in the free state always depends on the position and the size of the boss, and the design is simple.
Preferably, the valve plate limiting part is a screw, a threaded hole matched with the screw is formed in the hole wall of the valve plate limiting hole, and the screw is inserted into the valve plate limiting hole through the threaded hole. By adopting the structure, the position of the valve plate in the free state always depends on the length of the screw inserted into the valve plate limiting hole, and the length of the screw inserted into the valve plate limiting hole can be adjusted according to the specific conditions of the valve plate and the electromagnet.
Preferably, a gasket is arranged between the screw and the threaded hole. By adopting the structure, the gaskets with different sizes are selected according to the length requirement of the screw inserted into the valve plate limiting hole, and the screw compresses the gaskets to lock the length of the screw inserted into the valve plate limiting hole, so that the screw is prevented from loosening in the working process.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of an electrically controlled silicone oil fan clutch according to the present invention.
Fig. 2 is a partially enlarged view of the area a in fig. 1.
Fig. 3 is a schematic cross-sectional view of another embodiment of the electrically controlled silicone oil fan clutch according to the present invention.
Fig. 4 is a partially enlarged view of the region B in fig. 3.
As shown in the figure: 1. the oil-saving valve comprises a driving shaft, 2 parts of a driving plate, 2-1 parts of a valve block limiting hole, 2-2 parts of an oil inlet hole, 3 parts of a front cover, 3-1 parts of an oil return hole, 4 parts of an oil storage cavity, 5 parts of a driven plate, 5-1 parts of a driven plate bearing, 6 parts of a driven plate bearing, a meshing cavity, 7 parts of a valve block limiting part, 8 parts of an electromagnet, 8-1 parts of an iron core, 8-2 parts of a coil, 8-3 parts of a magnet bearing, 9 parts of a sealing ring, 10 parts of an electric lead, 11 parts of a valve block, 12 parts.
Detailed Description
For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.
In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.
It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a statement such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.
Example 1: as shown in figure 1, the utility model discloses an automatically controlled silicon oil fan clutch includes driving shaft 1, driving plate 2, protecgulum 3, driven plate 5, electro-magnet 8, electric lead 10, valve block 11, valve block locating part. The driving plate 2 is formed by aluminum die casting, the driving plate 2 is sleeved at one end of the driving shaft 1 and is driven by the driving shaft 1 to rotate, a valve plate limiting hole 2-1 and an oil inlet hole 2-2 are arranged on the driving plate 2, meshing cavities 6 formed by a plurality of concentric grooves are arranged on the upper end surface and the lower end surface of the driving plate 2, the upper meshing cavity 6 and the lower meshing cavity 6 are communicated, and the oil inlet hole 2-2 and the meshing cavities 6 are also communicated. The driven plate 5 is arranged below the driving plate 2 and sleeved on the driving shaft 1, and a driven plate bearing 5-1 is arranged between the driving shaft 1 and the driven plate 5. The front cover 3 is arranged above the driving plate 2 and fastened with the edge of the driven plate 5, an oil storage cavity 4 with a large space is arranged between the front cover 3 and the driving plate 2, the oil storage cavity 4 is used for containing silicon oil for the work of an electric control silicon oil fan clutch, an oil return hole 3-1 is further formed in the edge of the front cover 3 corresponding to the driving plate 2, and the oil return hole 3-1 is communicated with a meshing cavity 6 in the upper end face of the driving plate 2. The edge of the front cover 3 communicated with the oil return hole 3-1 and the position of the front cover 3 contacted with the driven plate 5 are both provided with sealing rings 9, so that the silicone oil is prevented from leaking in the process of returning to the oil storage cavity 4 from the meshing cavity 6. The electromagnet 8 is arranged below the driven plate 5 and comprises an annular magnet seat, an iron core 8-1 and a coil 8-2, wherein the iron core 8-1 and the coil 8-2 are arranged on the magnet seat, the magnet seat is sleeved on the driving shaft 1, a magnet bearing 8-3 is arranged between the driving shaft 1 and the magnet seat, and an electric lead 10 is connected with the electromagnet 8 so as to magnetize or demagnetize the iron core 8-1 by controlling the current in the coil 8-2. The valve plate 11 is an elastic iron plate, the valve plate 11 is limited in the valve plate limiting hole 2-1, one end of the valve plate 11 is fixed on the driving plate 2, and the other end of the valve plate 11 is bent to cover the oil inlet hole 2-2. As shown in fig. 2, the driving plate 2 is further provided with a valve plate limiting member, the valve plate limiting member in this embodiment is a boss 7, the boss 7 is fixed on the hole wall of the upper side in the valve plate limiting hole 2-1, and when the valve plate 11 is in a free state, the valve plate 11 abuts against the boss 7.
Initially, the temperature of the engine is not high, the electromagnet 8 is electrified, the iron core 8-1 is magnetized and attracts the valve plate 11 magnetically, the valve plate 11 rotates downwards by taking a fixed end as a rotating shaft until the valve plate is attracted to the iron core 8-1, at the moment, the oil inlet 2-2 is closed by the bent end of the valve plate 11, silicone oil in the oil storage cavity 4 cannot enter the meshing cavity 6, the driven plate 5 does not rotate along with the driving plate 2, and a fan arranged on the driven plate 5 does not work; after the temperature of the engine is too high, the electromagnet 8 is powered off, the iron core 8-1 has no magnetism, the valve plate 11 is separated from the attraction of the iron core 8-1 and is in a free state, the valve plate 11 rotates upwards by taking a fixed end as a rotating shaft until the valve plate is abutted against the boss 7, silicone oil in the oil storage cavity 4 enters the meshing cavity 6 on the upper end surface and the lower end surface of the driving plate 2 from the oil inlet hole 2-2, the driving plate 2 drives the driven plate 5 to rotate through the viscous force of the silicone oil, and a fan arranged on the driven plate 5 rotates at a high speed to cool the engine; when the temperature of the engine is reduced, the electromagnet 8 is electrified again, the valve plate 11 rotates downwards to be attracted with the iron core 8-1 to close the oil inlet 2-2, the silicone oil in the meshing cavity 6 gradually returns to the oil storage cavity 4 through the oil return hole 3-1 under the action of centrifugal force, the torque transmitted by the silicone oil to the driven plate 5 is gradually weakened, and the fan mounted on the driven plate 5 rotates at a low speed or stops rotating. The boss 7 limits the valve plate 11 in a free state within a distance which can be absorbed by the electromagnet.
Example 2: as shown in fig. 3, the utility model discloses an among the automatically controlled silicon oil fan clutch, including driving shaft 1, driving plate 2, protecgulum 3, driven plate 5, electro-magnet 8, electric lead 10, valve block 11, valve block locating part. The driving plate 2 is formed by aluminum die casting, the driving plate 2 is sleeved at one end of the driving shaft 1 and is driven by the driving shaft 1 to rotate, a valve plate limiting hole 2-1 and an oil inlet hole 2-2 are arranged on the driving plate 2, meshing cavities 6 formed by a plurality of concentric grooves are arranged on the upper end surface and the lower end surface of the driving plate 2, the upper meshing cavity 6 and the lower meshing cavity 6 are communicated, and the oil inlet hole 2-2 and the meshing cavities 6 are also communicated. The driven plate 5 is arranged below the driving plate 2 and sleeved on the driving shaft 1, and a driven plate bearing 5-1 is arranged between the driving shaft 1 and the driven plate 5. The front cover 3 is arranged above the driving plate 2 and fastened with the edge of the driven plate 5, an oil storage cavity 4 with a large space is arranged between the front cover 3 and the driving plate 2, the oil storage cavity 4 is used for containing silicon oil for the work of an electric control silicon oil fan clutch, an oil return hole 3-1 is further formed in the edge of the front cover 3 corresponding to the driving plate 2, and the oil return hole 3-1 is communicated with a meshing cavity 6 in the upper end face of the driving plate 2. The edge of the front cover 3 communicated with the oil return hole 3-1 and the position of the front cover 3 contacted with the driven plate 5 are both provided with sealing rings 9, so that the silicone oil is prevented from leaking in the process of returning to the oil storage cavity 4 from the meshing cavity 6. The electromagnet 8 is arranged below the driven plate 5 and comprises an annular magnet seat, an iron core 8-1 and a coil 8-2, wherein the iron core 8-1 and the coil 8-2 are arranged on the magnet seat, the magnet seat is sleeved on the driving shaft 1, a magnet bearing 8-3 is arranged between the driving shaft 1 and the magnet seat, and an electric lead 10 is connected with the electromagnet 8 so as to magnetize or demagnetize the iron core 8-1 by controlling the current in the coil 8-2. The valve plate 11 is an elastic iron plate, the valve plate 11 is limited in the valve plate limiting hole 2-1, one end of the valve plate 11 is fixed on the driving plate 2, and the other end of the valve plate 11 is bent to cover the oil inlet hole 2-2. As shown in fig. 4, the driving plate 2 is further provided with a valve plate limiting member, the valve plate limiting member in this embodiment is a screw 13, a threaded hole matched with the screw 13 is formed in a hole wall on the upper side of the valve plate limiting hole 2-1, the screw 13 is inserted into the valve plate limiting hole 2-1 through the threaded hole, a gasket is further provided between the screw 13 and the threaded hole, and when the valve plate 11 is in a free state, the valve plate 11 abuts against the lower end of the screw 13. The length of the screw 13 inserted into the valve plate limiting hole 2-1 can be adjusted.
Initially, the temperature of the engine is not high, the electromagnet 8 is electrified, the iron core 8-1 is magnetized and attracts the valve plate 11 magnetically, the valve plate 11 rotates downwards by taking a fixed end as a rotating shaft until the valve plate is attracted to the iron core 8-1, at the moment, the oil inlet 2-2 is closed by the bent end of the valve plate 11, silicone oil in the oil storage cavity 4 cannot enter the meshing cavity 6, the driven plate 5 does not rotate along with the driving plate 2, and a fan arranged on the driven plate 5 does not work; after the temperature of the engine is too high, the electromagnet 8 is powered off, the iron core 8-1 has no magnetism, the valve plate 11 is separated from the attraction of the iron core 8-1 and is in a free state, the valve plate 11 rotates upwards by taking a fixed end as a rotating shaft until abutting against the lower end of the screw 13, silicone oil in the oil storage cavity 4 enters the meshing cavity 6 on the upper end surface and the lower end surface of the driving plate 2 from the oil inlet hole 2-2, the driving plate 2 transmits torque to the driven plate 5 through the viscous force of the silicone oil and drives the driven plate 5 to rotate, and a fan arranged on the driven plate 5 rotates at a high speed to cool the engine; when the temperature of the engine is reduced, the electromagnet 8 is electrified again, the valve plate 11 rotates downwards to be attracted with the iron core 8-1 to close the oil inlet 2-2, the silicone oil in the meshing cavity 6 gradually returns to the oil storage cavity 4 through the oil return hole 3-1 under the action of centrifugal force, the torque transmitted by the silicone oil to the driven plate 5 is gradually weakened, and the fan mounted on the driven plate 5 rotates at a low speed or stops rotating. The length of the screw 13 in the valve plate limiting hole 2-1 limits the valve plate 11 in a free state within a distance which can be absorbed by the electromagnet.
The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.
Claims (4)
1. An electric control silicone oil fan clutch comprises a driving shaft (1), a driving plate (2) and a valve plate (11), wherein the driving plate (2) is connected to the driving shaft (1) and is driven by the driving shaft (1) to rotate, the driving plate (2) is provided with a valve plate limiting hole (2-1) and an oil inlet hole (2-2), the valve plate (11) has elasticity and is limited in the valve plate limiting hole (2-1), one end of the valve plate (11) is fixed on the active plate (2) to enable the valve plate (11) to rotate around the fixed end, the other end of the valve plate (11) is bent, and the bent end is used for closing the oil inlet hole (2-2), the valve block limiting device is characterized in that a valve block limiting piece is further arranged on the hole wall of the valve block limiting hole (2-1) above the valve block (11), and the valve block limiting piece is used for limiting the maximum upward rotating angle of the valve block (11).
2. The clutch of claim 1, wherein the valve plate limiting member is a boss (7), and the boss (7) is fixed on the driving plate (2).
3. The clutch of the electric-control silicone oil fan as claimed in claim 1, wherein the valve plate limiting member is a screw (13), a threaded hole matched with the screw (13) is formed in the wall of the valve plate limiting hole (2-1), and the screw (13) is inserted into the valve plate limiting hole (2-1) through the threaded hole.
4. The electrically controlled silicone oil fan clutch according to claim 3, characterized in that a washer (12) is further disposed between the screw (13) and the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021195189.1U CN212614989U (en) | 2020-06-24 | 2020-06-24 | Electric control silicone oil fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021195189.1U CN212614989U (en) | 2020-06-24 | 2020-06-24 | Electric control silicone oil fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614989U true CN212614989U (en) | 2021-02-26 |
Family
ID=74743324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021195189.1U Active CN212614989U (en) | 2020-06-24 | 2020-06-24 | Electric control silicone oil fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614989U (en) |
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2020
- 2020-06-24 CN CN202021195189.1U patent/CN212614989U/en active Active
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