# US 12,181,003 B2 · Control mechanism for clutch > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,181,003 B2 - Document ID: US12181003B2 - Status: Granted - Kind: B2 - Application number: 18/130,480 - Filed: 2023-04-04 - Published: 2023-08-24 - Granted: 2024-12-31 - Earliest claimed: 2022-02-23 - Assignees: Zhejiang Xinke Transmission Technology Co., Ltd - Applicants: Zhejiang Xinke Transmission Technology Co., Ltd - Inventors: Jianhua Jin - Web page: https://patentgrep.com/patent/US12181003B2 ## CPC - F16D 23/12: Mechanical clutch-actuating mechanisms arranged outside the clutch as such (specific for combined clutches F16D21/00; mechanisms specific for synchronisation F16D23/02) - F16D 23/14: Clutch-actuating sleeves {or bearings}; Actuating members directly connected to clutch-actuating sleeves {or bearings} - F16D 28/00: Electrically-actuated clutches (arrangements for synchronisation F16D23/02; clutches actuated directly by means of an electromagnet F16D27/00; automatic clutches F16D43/00 - F16D45/00; external control F16D48/00) - F16H 61/28: with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted - F16H 63/18: the final actuating mechanism comprising cams - F16H 63/46: Signals to a clutch outside the gearbox - B60Y 2200/91: Electric vehicles - F16D 13/52: Clutches with multiple lamellae {; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member (F16D13/385 takes precedence)} - F16D 2023/123: {Clutch actuation by cams, ramps or ball-screw mechanisms} - F16D 2023/126: {Actuation by rocker lever; Rocker levers therefor} - F16D 2023/141: {characterised by using a fork; Details of forks} - F16H 61/32: Electric motors {, actuators or related electrical control means} therefor - F16H 2061/2892: {other gears, e.g. worm gears, for transmitting rotary motion to the output mechanism} - F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES - F16H: GEARING - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY ## Abstract Disclosed is a control mechanism for a clutch, including a power unit, a drive unit, a shift fork and a clutch press unit. The power unit includes an actuator motor and a power shaft; the drive unit includes a shift cam and a clutch cam which are both fixed to the power shaft; the shift fork is connected to the shift cam; and the clutch press unit includes a press part with two ends provided with a power portion and a pivot portion respectively. A press portion is disposed in a middle of the press part. The power portion is connected to the clutch cam, an elastic alignment structure is disposed between the pivot portion and a housing, and a return portion, corresponding to a position between the pivot portion and the press portion, is disposed at the press part and is provided with a return structure. ## Claims ### Claim 1 A control mechanism for a clutch, comprising a power unit, a drive unit, a shift fork, a clutch press unit and a housing, wherein the power unit comprises an actuator motor and a power shaft which are connected; the drive unit comprises a shift cam and a clutch cam which are both fixed to the power shaft; the shift fork is connected to the shift cam; and the clutch press unit comprises a press part with two ends provided with a power driven arm and a pivot plate respectively, a press outer ring is disposed in a middle of the press part, the power driven arm is connected to the clutch cam, an elastic alignment structure is disposed between the pivot plate and the housing, and a return assembly, corresponding to a position between the pivot plate and the press outer ring, is disposed at the press part and is provided with a return-piece; wherein the elastic alignment structure comprises a pin, the housing is provided with a sliding groove, one end of the pin stretches into the sliding groove, the other end is located outside the sliding groove, a limit structure limiting the pin from sliding out by the distance is disposed between the pin and the housing, the end, located outside the sliding groove, of the pin is rotationally connected to the pivot plate, and compensation springs are disposed between the pin and the housing. ### Claim 2 (depends on 1) The control mechanism for a clutch according to claim 1, wherein the limit structure comprises a brake plate and a spring press plate, the brake plate is fixedly connected to the housing, an interval is reserved between the brake plate and the housing, the spring press plate is located below the brake plate, the compensation springs are located between the spring press plate and the housing, and the pin is connected to the spring press plate. ### Claim 3 (depends on 2) The control mechanism for a clutch according to claim 2, wherein the housing is provided with accommodating grooves, and the compensation springs are disposed in the accommodating grooves. ### Claim 4 (depends on 2) The control mechanism for a clutch according to claim 2, wherein the return piece comprises a fixed press plate and a return spring, the fixed press plate is fixed to the housing, an interval is reserved between the fixed press plate and the housing, the return assembly is located between the fixed press plate and the housing, and the return spring is located between the fixed press plate and the return assembly. ### Claim 5 (depends on 3) The control mechanism for a clutch according to claim 3, wherein the plurality of compensation springs are arranged, and are evenly distributed around the pin. ### Claim 6 (depends on 3) The control mechanism for a clutch according to claim 3, wherein the return piece comprises a fixed press plate and a return spring, the fixed press plate is fixed to the housing, an interval is reserved between the fixed press plate and the housing, the return assembly is located between the fixed press plate and the housing, and the return spring is located between the fixed press plate and the return assembly. ### Claim 7 (depends on 5) The control mechanism for a clutch according to claim 5, wherein a joint of the pin and the pivot plate is set as a ball head structure. ### Claim 8 (depends on 5) The control mechanism for a clutch according to claim 5, wherein the return piece comprises a fixed press plate and a return spring, the fixed press plate is fixed to the housing, an interval is reserved between the fixed press plate and the housing, the return assembly is located between the fixed press plate and the housing, and the return spring is located between the fixed press plate and the return assembly. ### Claim 9 (depends on 7) The control mechanism for a clutch according to claim 7, wherein the return piece comprises a fixed press plate and a return spring, the fixed press plate is fixed to the housing, an interval is reserved between the fixed press plate and the housing, the return assembly is located between the fixed press plate and the housing, and the return spring is located between the fixed press plate and the return assembly. ### Claim 10 (depends on 1) The control mechanism for a clutch according to claim 1, wherein the return piece comprises a fixed press plate and a return spring, the fixed press plate is fixed to the housing, an interval is reserved between the fixed press plate and the housing, the return assembly is located between the fixed press plate and the housing, and the return spring is located between the fixed press plate and the return portion. ### Claim 11 (depends on 10) The control mechanism for a clutch according to claim 10, wherein the press outer ring is in a closed ring shape, a press ring is disposed on an inner side of the press outer ring, one side of the press ring protrudes out of the press outer ring, the press ring is rotationally connected to the press outer ring through a rotating shaft, and an axis of the rotating shaft is perpendicular to a connecting line of the power driven arm and the pivot plate. ### Claim 12 (depends on 1) The control mechanism for a clutch according to claim 1, wherein the housing is provided with a guide cylinder, and the press ring sleeves the guide cylinder and is in sliding connection to the guide cylinder. ### Claim 13 A control mechanism for a clutch, comprising a power unit, a drive unit, a shift fork, a clutch press unit and a housing, wherein the power unit comprises an actuator motor and a power shaft which are connected; the drive unit comprises a shift cam and a clutch cam which are both fixed to the power shaft; the shift fork is connected to the shift cam; and the clutch press unit comprises a press part with two ends provided with a power driven arm and a pivot plate respectively, a press outer ring is disposed in a middle of the press part, the power driven arm is connected to the clutch cam, an elastic alignment structure is disposed between the pivot plate and the housing, and a return assembly, corresponding to a position between the pivot plate and the press outer ring, is disposed at the press part and is provided with a return piece; wherein the return piece comprises a fixed press plate and a return spring, the fixed press plate is fixed to the housing, an interval is reserved between the fixed press plate and the housing, the return assembly is located between the fixed press plate and the housing, and the return spring is located between the fixed press plate and the return assembly.