An oil circuit structure of an active plate of a silicone oil clutch

Abstract

The utility model provides an oil circuit structure of an active plate of a silicone oil clutch, comprising a housing, an active plate and an active shaft, wherein the center of the active plate is fixedly connected to the end of the active shaft, the active plate is rotatably arranged inside the housing, an oil storage chamber and a working chamber for accommodating silicone oil are arranged inside the housing, an oil hole and a valve plate are arranged on the active plate, the part of the active plate located in the working chamber axially divides the working chamber into a front meshing area and a rear meshing area, a plurality of groups of scraping oil parts are arranged on the outer peripheral wall of the active plate, the plurality of groups of scraping oil parts are evenly distributed along the circumferential direction, each group of scraping oil parts comprises a first scraping oil groove and a second scraping oil groove, when the active plate rotates, the first scraping oil groove scrapes the silicone oil accumulated on the inner peripheral wall of the housing to the front meshing area, and the second scraping oil groove scrapes the silicone oil accumulated on the inner peripheral wall of the housing to the rear meshing area. The oil circuit structure avoids the accumulation of silicone oil on the inner peripheral wall of the housing, prevents the reduction of silicone oil in the meshing area of ​​the working chamber, and improves the control accuracy of the output torque and output speed of the silicone oil clutch.

Description

Technical Field

[0001] The utility model relates to the technical field of silicone oil clutch, in particular to an oil circuit structure of an active plate of a silicone oil clutch. Background Art

[0002] The clutches used in the automotive field mainly include friction clutches, hydraulic couplings and electromagnetic clutches. Among them, silicone oil clutches, as one type of hydraulic couplings, are widely used in the automotive field because of their flexible transmission function, ability to change the output torque and output speed by adjusting the amount of liquid in the clutch working chamber during the operation of the power machine, shock mitigation and torsional vibration isolation. In actual high-speed operation of silicone oil clutches, due to the effect of centrifugal force, silicone oil is easily accumulated on the inner wall of the shell, reducing the silicone oil in the meshing area of ​​the shell working chamber, thereby affecting the output torque and output speed of the silicone oil clutch and reducing the output control accuracy. Utility Model Content

[0003] The technical problem to be solved by the utility model is that due to the effect of centrifugal force, silicone oil is easily accumulated on the inner circumferential wall of the shell, which reduces the silicone oil in the meshing area of ​​the shell working chamber, thereby affecting the output torque and output speed of the silicone oil clutch and reducing the output control accuracy. In order to overcome the defects of the above-mentioned prior art, the utility model provides an oil circuit structure of an active plate of a silicone oil clutch.

[0004] The utility model provides an oil circuit structure of an active plate of a silicone oil clutch, comprising a shell, an active plate and an active shaft, wherein the active plate is fixedly connected to the end of the active shaft at its center, and the active plate is rotatably arranged inside the shell, wherein an oil storage chamber and a working chamber for accommodating silicone oil are arranged inside the shell, wherein the working chamber is located radially outside the oil storage chamber, wherein an oil through hole and a valve sheet for controlling the opening and closing of the oil through hole are arranged on the active plate, wherein the oil through hole communicates with the oil storage chamber and the working chamber, wherein the portion of the active plate located in the working chamber axially divides the working chamber into a front meshing area and a rear meshing area, wherein a plurality of groups of oil scraping portions are arranged on the outer peripheral wall of the active plate, wherein the plurality of groups of oil scraping portions are evenly distributed along the circumferential direction, and wherein each group of the oil scraping portions comprises a first oil scraping groove and a second oil scraping groove, wherein when the active plate rotates, the first oil scraping groove scrapes the silicone oil accumulated on the inner peripheral wall of the shell to the front meshing area, and the second oil scraping groove scrapes the silicone oil accumulated on the inner peripheral wall of the shell to the rear meshing area.

[0005] Compared with the prior art, the oil circuit structure of the active plate of a silicone oil clutch in the present application has the following advantages: by providing multiple groups of oil scraping parts on the outer peripheral wall of the active plate, the oil scraping parts include a first oil scraping groove and a second oil scraping groove, the first oil scraping groove scrapes the silicone oil accumulated on the inner peripheral wall of the shell to the front meshing area, and the second oil scraping groove scrapes the silicone oil accumulated on the inner peripheral wall of the shell to the rear meshing area, thereby avoiding the accumulation of silicone oil on the inner peripheral wall of the shell, preventing the reduction of silicone oil in the meshing area of ​​the working chamber, and improving the control accuracy of the output torque and output speed of the silicone oil clutch.

[0006] In a possible implementation manner, the first scraping groove and the second scraping groove are spaced apart from each other, one end of the first scraping groove away from the second scraping groove is connected to the front meshing area, and one end of the second scraping groove away from the first scraping groove is connected to the rear meshing area.

[0007] Compared with the prior art, the above technical solution can improve the oil scraping stability of the two oil scraping grooves.

[0008] In a possible implementation manner, the distance between the first scraping groove and the second scraping groove gradually increases along with the rotation direction of the active plate.

[0009] Compared with the prior art, the above technical solution can realize the setting of the oil scraping direction and the selection direction of the active plate in the same direction, thereby improving the reliability of oil scraping.

[0010] In a possible implementation manner, the groove depths of the first oil scraping groove and the second oil scraping groove are both no greater than 1 mm.

[0011] Compared with the prior art, the above technical solution can reduce the accumulation of silicone oil in the oil scraper groove.

[0012] In a possible implementation manner, a distance between an outer peripheral wall of the active plate and an inner peripheral wall of the housing is no greater than 1 mm.

[0013] Compared with the prior art, the above technical solution can reduce the accumulation of silicone oil on the inner peripheral wall of the shell.

[0014] In a possible implementation manner, the diameter of the oil hole gradually increases from the inside to the outside along the radial direction of the active plate, and the valve plate presses against the small diameter end of the oil hole after closing.

[0015] Compared with the prior art, the above technical solution can provide increased control accuracy of silicone oil at the oil passage hole, thereby improving control accuracy.

[0016] In a possible implementation, the oil hole includes an outer port and an inner port that are connected, the outer port has a larger diameter than the inner port, the outer port is disposed toward the working chamber, and the inner port is disposed toward the oil storage chamber.

[0017] Compared with the prior art, the above technical solution can realize the structural setting of the oil hole and improve the control accuracy of silicone oil entering the working chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the front side of the active board;

[0020] Figure 3 It is a structural schematic diagram of the rear side of the active board;

[0021] Figure 4 for Figure 3 A magnified image of point A;

[0022] Description of reference numerals:

[0023] 1. Shell; 11. Oil storage chamber; 12. Working chamber; 121. Front meshing area; 122. Rear meshing area; 2. Active plate; 21. Oil through hole; 211. External port; 212. Internal port; 22. Oil scraping part; 221. First oil scraping groove; 222. Second oil scraping groove; 3. Active shaft; 4. Valve plate. DETAILED DESCRIPTION

[0024] 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 make adjustments to them as needed to adapt to specific application scenarios.

[0025] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0026] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may 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, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] See also Figures 1 to 4 The embodiment of the present application discloses an oil circuit structure of an active plate of a silicone oil clutch, comprising a housing 1, an active plate 2 and an active shaft 3, wherein the center of the active plate 2 is fixedly connected to the end of the active shaft 3, and the active plate 2 is rotatably arranged inside the housing 1, wherein an oil storage chamber 11 and a working chamber 12 for accommodating silicone oil are arranged inside the housing 1, wherein the working chamber 12 is located radially outside the oil storage chamber 11, and an oil through hole 21 and a valve plate 4 for controlling the opening and closing of the oil through hole 21 are arranged on the active plate 2, wherein the oil through hole 21 connects the oil storage chamber 11 and the working chamber 12, and the portion of the active plate 2 located in the working chamber 12 axially divides the working chamber 12 into a front meshing area 121 and a rear meshing area 122. The active plate 2 is provided with a plurality of groups of scraping parts 22 on the outer peripheral wall of the shell 1, and the plurality of groups of scraping parts 22 are evenly distributed along the circumferential direction. Each group of scraping parts 22 includes a first scraping groove 221 and a second scraping groove 222. The first scraping groove 221 is arranged close to the front meshing area 121 and is connected with the front meshing area 121, and the second scraping groove 222 is close to the rear meshing area 122 and is connected with the rear meshing area 122. When the active plate 2 rotates, the first scraping groove 221 scrapes the silicone oil accumulated on the inner peripheral wall of the shell 1 to the front meshing area 121, and the second scraping groove 222 scrapes the silicone oil accumulated on the inner peripheral wall of the shell 1 to the rear meshing area 122.

[0029] Specifically, the first scraping groove 221 and the second scraping groove 222 are spaced apart from each other, one end of the first scraping groove 221 away from the second scraping groove 222 is connected to the front meshing area 121, and one end of the second scraping groove 222 away from the first scraping groove 221 is connected to the rear meshing area 122, thereby improving the oil scraping stability of the two scraping grooves.

[0030] Specifically, the spacing between the first scraping groove 221 and the second scraping groove 222 gradually increases with the rotation direction of the active plate 2, that is, the first scraping groove 221 and the second scraping groove 222 are in an eight-shaped structure, thereby enabling the scraping direction to be set in the same direction as the selection direction of the active plate 2, thereby improving the reliability of scraping. The groove depths of the first scraping groove 221 and the second scraping groove 222 are both no greater than 1 mm, which can reduce the accumulation of silicone oil in the scraping grooves.

[0031] Specifically, the distance between the outer circumferential wall of the active plate 2 and the inner circumferential wall of the housing 1 is not greater than 1 mm, thereby reducing the accumulation of silicone oil on the inner circumferential wall of the housing 1 .

[0032] As can be known from the above, by providing a plurality of groups of scraping parts 22 on the outer peripheral wall of the active plate 2, the scraping parts 22 include a first scraping groove 221 and a second scraping groove 222. When the active plate 2 rotates, the first scraping groove 221 scrapes the silicone oil accumulated on the inner peripheral wall of the shell 1 to the front meshing area 121, and the second scraping groove 222 scrapes the silicone oil accumulated on the inner peripheral wall of the shell 1 to the rear meshing area 122, thereby avoiding the accumulation of silicone oil on the inner peripheral wall of the shell 1, preventing the silicone oil in the meshing area of ​​the working chamber 12 from being reduced, and improving the control accuracy of the output torque and output speed of the silicone oil clutch.

[0033] Continue to see Figures 2 to 4 In this embodiment, the diameter of the oil hole 21 gradually increases from the inside to the outside along the radial direction of the active plate 2, and the valve plate 4 is closed and pressed against the small end of the oil hole 21. Specifically, the oil hole 21 includes an outer port 211 and an inner port 212 that are connected to each other. The diameter of the outer port 211 is larger than that of the inner port 212. The outer port 211 is arranged toward the working chamber 12, and the inner port 212 is arranged toward the oil storage chamber 11, thereby improving the control accuracy of the silicone oil entering the working chamber 12.

[0034] In the description of the embodiments of the present application, it should be noted that in the description of the present application, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description, and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present application.

[0035] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "in the present embodiment", "specific example", or "some examples" etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0036] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. An oil circuit structure of an active plate of a silicone oil clutch, comprising a housing (1), an active plate (2) and an active shaft (3), wherein the center of the active plate (2) is fixedly connected to the end of the active shaft (3), the active plate (2) is rotatably arranged inside the housing (1), an oil storage chamber (11) and a working chamber (12) for accommodating silicone oil are arranged inside the housing (1), the working chamber (12) is located radially outside the oil storage chamber (11), an oil through hole (21) and a valve plate (4) for controlling the opening and closing of the oil through hole (21) are arranged on the active plate (2), the oil through hole (21) communicates with the oil storage chamber (11) and the working chamber (12), and is characterized in that: The portion of the active plate (2) located in the working chamber (12) axially divides the working chamber (12) into a front meshing area (121) and a rear meshing area (122). A plurality of groups of oil scraping portions (22) are provided on the outer peripheral wall of the active plate (2). The plurality of groups of oil scraping portions (22) are evenly distributed along the circumferential direction. Each group of the oil scraping portions (22) comprises a first oil scraping groove (221) and a second oil scraping groove (222). When the active plate (2) rotates, the first oil scraping groove (221) scrapes the silicone oil accumulated on the inner peripheral wall of the housing (1) to the front meshing area (121), and the second oil scraping groove (222) scrapes the silicone oil accumulated on the inner peripheral wall of the housing (1) to the rear meshing area (122).

2. The oil circuit structure of the active plate of the silicone oil clutch according to claim 1, characterized in that: The first scraping groove (221) and the second scraping groove (222) are arranged at intervals from each other; one end of the first scraping groove (221) away from the second scraping groove (222) is connected to the front meshing area (121); and one end of the second scraping groove (222) away from the first scraping groove (221) is connected to the rear meshing area (122).

3. The oil circuit structure of the active plate of the silicone oil clutch according to claim 2, characterized in that: The distance between the first oil scraping groove (221) and the second oil scraping groove (222) gradually increases along with the rotation direction of the active plate (2).

4. The oil circuit structure of the active plate of the silicone oil clutch according to claim 2, characterized in that: The groove depths of the first oil scraping groove (221) and the second oil scraping groove (222) are both no greater than 1 mm.

5. The oil circuit structure of the active plate of the silicone oil clutch according to claim 4, characterized in that: The distance between the outer peripheral wall of the active plate (2) and the inner peripheral wall of the housing (1) is no greater than 1 mm.

6. The oil circuit structure of the active plate of the silicone oil clutch according to claim 1, characterized in that: The diameter of the oil hole (21) gradually increases from the inside to the outside along the radial direction of the active plate (2), and the valve plate (4) presses against the small diameter end of the oil hole (21) after closing.

7. The oil circuit structure of the active plate of the silicone oil clutch according to claim 6, characterized in that: The oil hole (21) comprises an outer port (211) and an inner port (212) which are connected to each other. The diameter of the outer port (211) is larger than the diameter of the inner port (212). The outer port (211) is arranged toward the working chamber (12), and the inner port (212) is arranged toward the oil storage chamber (11).

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