Actuator assembly
An actuator assembly for a vehicle brake, in particular an electromechanical vehicle brake, is specified, having a brake caliper in which there is an intermediate space—for accommodating a brake rotor, a drive housing, in which a drive assembly of the actuator assembly is accommodated, wherein the drive housing is fixedly connected to the brake caliper, a linearly guided actuating slide for a brake pad, which can be moved optionally between a retracted position and an extended position via the drive assembly, and a frame part having an accommodation space, in which a transmission unit of the drive assembly is at least partially accommodated, wherein an electric motor is secured on the frame part, which electric motor is coupled in terms of drive to the actuating slide via the transmission unit and a spindle drive, and the frame part is secured on the drive housing.
1 . An actuator assembly for a vehicle brake comprising:
a brake caliper in which there is an intermediate space for accommodating a brake rotor;
a drive housing, in which a drive assembly of the actuator assembly is accommodated, wherein the drive housing is fixedly connected to the brake caliper;
a linearly guided actuating slide for a brake pad, which can be moved optionally between a retracted position and an extended position by means of the drive assembly; and
a frame part having an accommodation space, in which a transmission unit of the drive assembly is at least partially accommodated, the transmission unit being located on an opposite side of the frame part from the brake caliper, wherein an electric motor is secured on the frame part, the electric motor being coupled to the actuating slide via the transmission unit and a spindle drive,
wherein the frame part is secured on a portion of the drive housing located on an opposite side of the drive assembly from a front portion of the drive housing that is closed by a housing cover,
wherein the actuating slide is guided linearly in a bearing sleeve, and
wherein a guide for aligning the bearing sleeve is formed on the frame part.
2 . The actuator assembly according to claim 1 , wherein a bearing journal is secured on the frame part, on which journal a first gear wheel is mounted which meshes with an output gear wheel.
3 . The actuator assembly according to claim 1 , wherein a ring gear of a planetary transmission stage extends along an inner circumference of the accommodation space.
4 . The actuator assembly according to claim 2 , wherein the first gear wheel, which meshes with the output gear wheel, is coupled to a sun wheel of a planetary transmission stage.
5 . The actuator assembly according to claim 1 , wherein the brake caliper is in two parts and the intermediate space for accommodating the brake rotor is formed in a first caliper part, and the bearing sleeve is accommodated in a second caliper part.
6 . The actuator assembly according to claim 1 , wherein the guide for aligning the bearing sleeve is arranged concentrically with respect to the accommodation space.
7 . The actuator assembly according to claim 1 , wherein a reinforcing part is provided which spans the accommodation space.
8 . The actuator assembly according to claim 1 , wherein the drive housing is sleeve-shaped.
9 . The actuator assembly according to claim 1 , wherein the drive housing can be screwed to the brake caliper in different positions.
10 . The actuator assembly according to claim 2 , wherein the output gear wheel is arranged on an output shaft of the electric motor.
11 . The actuator assembly according to claim 4 , wherein the output gear wheel is coupled to the sun wheel of the planetary transmission stage via a second gear wheel.
12 . The actuator assembly according to claim 6 , wherein the frame part tapers in a funnel shape from the accommodation space to the guide.
13 . The actuator assembly according to claim 7 , wherein the reinforcing part is secured on the frame part.
14 . The actuator assembly according to claim 7 , wherein the reinforcing part is secured on the drive housing through the frame part.
15 . The actuator assembly according to claim 8 , wherein a control assembly is accommodated in the housing cover.
16 . The actuator assembly according to claim 9 , wherein the positions differ in an angular position of the drive housing relative to the brake caliper.
17 . The actuator assembly according to claim 1 , wherein the electric motor is coupled to the actuating slide, such that the electric motor drives the actuating slide.
18 . The actuator assembly according to claim 1 , wherein a movement path of the actuating slide is determined by the arrangement of the bearing sleeve.
19 . An actuator assembly for a vehicle brake comprising:
a brake caliper in which there is an intermediate space for accommodating a brake rotor;
a drive housing, in which a drive assembly of the actuator assembly is accommodated, wherein the drive housing is fixedly connected to the brake caliper;
a linearly guided actuating slide for a brake pad, which can be moved optionally between a retracted position and an extended position by means of the drive assembly; and
a frame part having an accommodation space, in which a transmission unit of the drive assembly is at least partially accommodated, the transmission unit being located on an opposite side of the frame part from the brake caliper, wherein an electric motor is secured on the frame part, the electric motor being coupled to the actuating slide via the transmission unit and a spindle drive,
wherein the frame part is secured on a portion of the drive housing located on an opposite side of the drive assembly from a front portion of the drive housing that is closed by a housing cover,
wherein the drive housing can be screwed to the brake caliper in different positions, and
wherein the positions differ in an angular position of the drive housing relative to the brake caliper.