Driving plate of silicone oil fan clutch

Abstract

The utility model provides a driving plate of a silicone oil fan clutch, which comprises a driving plate body, a first meshing area used for being matched with a clutch front cover and a second meshing area used for being matched with a clutch shell are respectively arranged on two end faces of the driving plate body, and an oil inlet and an oil inlet through groove communicated with the oil inlet are arranged on the driving plate body. An oil inlet through groove is formed in the driving plate body, the oil inlet through groove is communicated with the first meshing area and the second meshing area and penetrates through the driving plate body in the radial direction, at least one flow dividing groove is further formed in the driving plate body, one end of the flow dividing groove is communicated with an oil inlet, and the other end of the flow dividing groove extends into the second meshing area and is communicated with the second meshing area. And the groove depth of the diversion groove is smaller than that of the oil inlet through groove. When the fan rotates at a high speed, the driving plate can retain a large amount of silicone oil in the meshing cavity, and the torque transmission reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clutch, specifically, a kind of initiative board of silicone oil fan clutch. BACKGROUND

[0002] The silicone oil fan clutch is applied to the cooling system of automobile engine, and can effectively realize the energy-saving effect of automobile. When the temperature sensor collects that the engine is in low temperature state, the solenoid is powered on by the control system, the core of the solenoid is magnetized, and the valve piece is attracted by the electromagnet to close the oil inlet, so that the silicone oil does not flow into the meshing cavity, and the torque of the driving plate cannot be effectively transmitted to the driven plate, so that the fan stops or rotates at low speed. When the temperature sensor collects that the engine is in high temperature state, the solenoid is powered off by the control system, the core of the solenoid is demagnetized, the valve piece is bounced back to the original position to open the oil inlet, the silicone oil flows into the meshing cavity to transmit torque, so that the fan rotates at high speed, and the engine is rapidly cooled. In order to ensure the reliability of torque transmission, a large amount of silicone oil needs to be stored in the meshing cavity. The driving plate is the main part of the silicone oil fan clutch, and the center is connected with the driving shaft to rotate together. The current driving plate has poor effect on storing silicone oil in the meshing cavity, unstable torque transmission, and affects the rapid cooling of the engine. SUMMARY

[0003] The technical problem to be solved by the utility model is that the driving plate has poor effect on storing silicone oil in the meshing cavity, and the torque transmission is unstable. In order to overcome the defects of the prior art, the utility model provides a driving plate of a silicone oil fan clutch.

[0004] The utility model provides a driving plate of a silicone oil fan clutch, which comprises a driving plate body, a first meshing area for cooperating with a clutch front cover and a second meshing area for cooperating with a clutch shell are respectively arranged on the two end faces of the driving plate body, an oil inlet and an oil inlet channel communicating with the oil inlet are arranged on the driving plate body, the oil inlet channel communicates with the first meshing area and the second meshing area, the oil inlet channel penetrates the driving plate body along the radial direction, at least one flow dividing groove is further arranged on the driving plate body, one end of the flow dividing groove communicates with the oil inlet, the other end of the flow dividing groove extends into the second meshing area and communicates with the second meshing area, and the groove depth of the flow dividing groove is smaller than the groove depth of the oil inlet channel.

[0005] Compared with the prior art, the active plate of the silicone oil fan clutch has the following advantages: in the high-speed rotating state of the fan, the flow dividing groove is arranged on the active plate body, one end of the flow dividing groove is communicated with the oil inlet, the other end of the oil dividing groove extends into the second meshing area and is communicated with the second meshing area, more silicone oil flows into the meshing cavity, the rapid flow of silicone oil to the outer periphery of the active plate is prevented, more silicone oil is retained in the meshing cavity, and the torque transmission reliability is improved; meanwhile, in the low-speed rotating state of the fan, the groove depth of the flow dividing groove is smaller than the groove depth of the oil inlet through groove, that is, the flow resistance of the flow dividing groove is large, a small amount of silicone oil can quickly pass through the oil inlet through groove to the outer periphery of the active plate, and energy loss is reduced.

[0006] In a possible implementation manner, the extension direction of the flow dividing groove and the extension direction of the oil inlet through groove form an included angle, and the included angle is greater than 0 degrees and less than 90 degrees.

[0007] Compared with the prior art, the above technical solution can limit the extension direction of the flow dividing groove, and is beneficial to the flow division of silicone oil.

[0008] In a possible implementation manner, the flow dividing groove extends to the middle part of the second meshing area.

[0009] Compared with the prior art, the above technical solution can make the silicone oil in the meshing cavity uniformly distributed, and improve the meshing transmission effect.

[0010] In a possible implementation manner, a plurality of oil inlet through grooves are arranged on the active plate body in a circumferential direction, and one of the oil inlet through grooves is communicated with the oil inlet.

[0011] Compared with the prior art, the above technical solution can make the silicone oil quickly enter the meshing cavity, and is beneficial to transmission.

[0012] In a possible implementation manner, the first meshing area includes a plurality of first ring grooves which are concentric and arranged in a radial direction, and the plurality of first ring grooves are communicated with the oil inlet through grooves.

[0013] Compared with the prior art, the above technical solution can realize the meshing transmission between the active plate body and the clutch front cover.

[0014] In a possible implementation manner, the first meshing area further includes a plurality of first dispersion grooves which are arranged in a circumferential direction, the plurality of first dispersion grooves are communicated with the plurality of first ring grooves, and the first dispersion grooves are arranged in a radial direction.

[0015] Compared with the prior art, the above technical solution can be beneficial to the dispersion of silicone oil into the first meshing area, and improve the transmission stability.

[0016] In a possible implementation, the second engagement region comprises a plurality of second ring grooves arranged concentrically and radially spaced, and each of the plurality of second ring grooves is in communication with the oil inlet channel.

[0017] Compared with the prior art, the above technical solution can realize the engagement transmission between the active plate body and the clutch housing.

[0018] In a possible implementation, the second engagement region further comprises a plurality of second dispersion grooves arranged circumferentially and spaced, and each of the plurality of second dispersion grooves is in communication with the plurality of second ring grooves, and the second dispersion grooves are arranged in a radial direction.

[0019] Compared with the prior art, the above technical solution can facilitate the dispersion of the silicone oil into the second engagement region, and improve the stability of the LiGo transmission. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a schematic diagram of a three-dimensional structure of the utility model;

[0021] Fig. 2 is a sectional view of the utility model;

[0022] Fig. 3 is a rear view of the utility model;

[0023] Fig. 4 is a front view of the utility model;

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, active plate body; 11, first engagement region; 111, first ring groove; 112, first dispersion groove; 12, second engagement region; 121, second ring groove; 122, second dispersion groove; 2, oil inlet; 3, oil inlet channel; 4, distribution groove. DETAILED DESCRIPTION

[0026] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed to adapt to specific application occasions.

[0027] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0028] In the embodiments of the present application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "over", "above" and "on top of" the second feature can mean that the first feature is directly above or obliquely above the second feature, or only means that the first feature is horizontally higher than the second feature. The first feature "under", "below" and "underneath" the second feature can mean that the first feature is directly below or obliquely below the second feature, or only means that the first feature is horizontally lower than the second feature.

[0029] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Referring to Figs. 1 to 4 The embodiment of the present application discloses a driving plate of a silicone oil fan clutch, comprising a driving plate body 1, first meshing areas 11 for matching a clutch front cover and second meshing areas 12 for matching a clutch shell are respectively arranged on the two end faces of the driving plate body 1, an oil inlet 2 and an oil inlet channel 3 communicating with the oil inlet 2 are arranged on the driving plate body 1, the oil inlet channel 3 communicates the first meshing areas 11 and the second meshing areas 12, the oil inlet channel 3 penetrates the driving plate body 1 along the radial direction, at least one flow distribution groove 4 is further arranged on the driving plate body 1, one end of the flow distribution groove 4 communicates with the oil inlet 2, the other end of the flow distribution groove 4 extends into the second meshing areas 12 and communicates with the second meshing areas 12, and the groove depth of the flow distribution groove 4 is less than the groove depth of the oil inlet channel 3.

[0031] As can be known from the above, in the high-speed rotating state of the fan, by arranging the flow distribution groove 4 on the driving plate body 1, one end of the flow distribution groove 4 communicates with the oil inlet 2, the other end of the oil distribution groove extends into the second meshing areas 12 and communicates with the second meshing areas 12, so that more silicone oil flows into the meshing cavity, the rapid flow of silicone oil to the outer periphery of the driving plate is prevented, more silicone oil is retained in the meshing cavity, and the torque transmission reliability is improved; at the same time, in the low-speed rotating state of the fan, the groove depth of the flow distribution groove 4 is less than the groove depth of the oil inlet channel 3, that is, the flow resistance of the flow distribution groove 4 is large, and a small amount of silicone oil can quickly pass through the oil inlet channel 3 to the outer periphery of the driving plate, so that the energy loss is reduced.

[0032] In order to facilitate the flow distribution of silicone oil, the extension direction of the flow distribution groove 4 forms an included angle with the extension direction of the oil inlet channel 3, the included angle is greater than 0 degrees and less than 90 degrees, and thus the extension direction of the flow distribution groove 4 can be limited.

[0033] In order to improve the meshing transmission effect, the flow distribution groove 4 extends to the middle part of the second meshing areas 12, so that the silicone oil in the meshing cavity can be uniformly distributed.

[0034] In the embodiment, three oil inlet channels 3 are circumferentially and evenly arranged on the main driving plate body 1, one of which is connected with the oil inlet 2, so that the silicone oil can quickly enter the meshing cavity, which is beneficial to the transmission.

[0035] In the embodiment, the first meshing area 11 includes a plurality of first ring grooves 111 which are concentrically and radially arranged, and each of the first ring grooves 111 is connected with the oil inlet channel 3; the first meshing area 11 further includes a plurality of first dispersion grooves 112 which are circumferentially and evenly arranged, and each of the first dispersion grooves 112 is connected with the first ring grooves 111 and extends radially. In this way, the silicone oil can be dispersed into the first meshing area 11, and the transmission stability can be improved.

[0036] In the embodiment, the second meshing area 12 includes a plurality of second ring grooves 121 which are concentrically and radially arranged, and each of the second ring grooves 121 is connected with the oil inlet channel 3; the second meshing area 12 further includes a plurality of second dispersion grooves 122 which are circumferentially and evenly arranged, and each of the second dispersion grooves 122 is connected with the second ring grooves 121 and extends radially. In this way, the silicone oil can be dispersed into the second meshing area 12, and the transmission stability can be improved.

[0037] In the description of the embodiments of the present application, it should be noted that, in the description of the present application, the terms indicating the direction or position relationship are based on the direction or position relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0038] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "in the embodiment", "specific example", or "some examples" means that the specific features, mechanisms, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0039] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements within the technical scope disclosed by the present application can be easily conceived by the person skilled in the art, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A driving plate of a silicone oil fan clutch, comprising a driving plate body (1), a first meshing area (11) for matching a clutch front cover and a second meshing area (12) for matching a clutch shell are respectively arranged on both end faces of the driving plate body (1), an oil inlet (2) and an oil inlet channel (3) communicating with the oil inlet (2) are arranged on the driving plate body (1), the oil inlet channel (3) communicates with the first meshing area (11) and the second meshing area (12), and the oil inlet channel (3) penetrates the driving plate body (1) in the radial direction, characterized in that, The active plate body (1) is further provided with at least one shunt groove (4), one end of the shunt groove (4) is communicated with the oil inlet (2), the other end of the shunt groove (4) extends into the second meshing area (12) and is communicated with the second meshing area (12), and the groove depth of the shunt groove (4) is smaller than the groove depth of the oil inlet groove (3).

2. The drive plate of a silicone oil fan clutch according to claim 1, wherein The extension direction of the shunt groove (4) forms an included angle with the extension direction of the oil inlet groove (3), and the included angle is greater than 0 degrees and less than 90 degrees.

3. The drive plate of a silicone oil fan clutch of claim 2 wherein, The shunt groove (4) extends to the middle part of the second meshing area (12).

4. The drive plate of a silicone oil fan clutch of claim 1 wherein, The active plate body (1) is further provided with at least one shunt groove (4), one end of the shunt groove (4) is communicated with the oil inlet (2), the other end of the shunt groove (4) extends into the second meshing area (12) and is communicated with the second meshing area (12), and the groove depth of the shunt groove (4) is smaller than the groove depth of the oil inlet groove (3).

5. The drive plate of a silicone oil fan clutch of claim 1 wherein, The first meshing area (11) includes a plurality of first ring grooves (111) which are concentric and arranged at intervals in the radial direction, and the plurality of first ring grooves (111) are communicated with the oil inlet groove (3).

6. The drive plate of a silicone oil fan clutch of claim 5 wherein, The first meshing area (11) further includes a plurality of first dispersion grooves (112) which are arranged at intervals in the circumferential direction, the plurality of first dispersion grooves (112) are communicated with the plurality of first ring grooves (111), and the first dispersion grooves (112) are arranged in the radial direction.

7. The drive plate of a silicone oil fan clutch of claim 1 wherein, The second meshing area (12) includes a plurality of second ring grooves (121) which are concentric and arranged at intervals in the radial direction, and the plurality of second ring grooves (121) are communicated with the oil inlet groove (3).

8. The drive plate of a silicone oil fan clutch according to claim 7, wherein The second meshing area (12) further includes a plurality of second dispersion grooves (122) which are arranged at intervals in the circumferential direction, the plurality of second dispersion grooves (122) are communicated with the plurality of second ring grooves (121), and the second dispersion grooves (122) are arranged in the radial direction.

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