DE102018102511A1 - Disc brake with floating caliper and fixed caliper - Google Patents

Abstract

The invention relates to a disc brake (1), comprising a brake carrier (50), a floating caliper (60), at least one pair of brake shoes (30, 31) and an actuating element (80). The floating caliper (60) has a receiving space (71) for a brake disc, wherein the receiving space (71) has two brake sides (72, 73) with respect to the brake disc. The floating caliper (60) is also movably guided on the brake carrier (50) in the direction of the brake sides (72, 73). The brake shoes (30, 31) are associated with the brake sides (72, 73) and supported on the brake carrier (50) against braking forces. The actuating element (80) is slidably received on the floating caliper (60) in the direction of its longitudinal axis (81) and can be actuated to exert a braking function of the disc brake (1). In the disc brake (1) of the brake carrier (50) for the floating caliper (60) is associated with a brake component of a fixed caliper brake (2) of the disc brake (1) and fixed to the housing with respect to a fixed caliper (10) of the fixed caliper brake (2), wherein the brake shoes ( 30, 31) are an integral part of the fixed caliper brake (2). The invention further comprises a fixed caliper (10) and a floating caliper (60). Furthermore, the invention comprises a brake system for a motor vehicle.

Description

The invention relates to a disc brake with a floating caliper and a fixed caliper. The invention further relates to a brake system for a motor vehicle, which comprises such a disc brake.

A disc brake of the type mentioned here is from the WO 2007/039922 A1 known and serves as a vehicle brake. The disc brake comprises two independent brakes, namely a hydraulically operated fixed caliper brake and an electrically actuated floating caliper brake. Both brakes form a structural unit and exert a braking effect with respect to a common brake disc via their brake shoes. For this purpose, the fixed caliper brake on a fixed caliper as a caliper, which also serves as a brake carrier for the floating caliper of the floating caliper brake.

It is an object of the invention to further develop a disc brake of the type mentioned. Furthermore, a corresponding brake system is to be provided, which is suitable for use in a motor vehicle.

This object is achieved with a disc brake, which has the features of claim 14. To solve the problem, a fixed caliper with the features of claim 1 and a floating caliper with the features of claim 9 are also proposed. Furthermore, a brake system with the features of claim 17 is proposed to solve the problem. Advantageous embodiments and / or embodiments and / or aspects of the invention will become apparent from the subclaims, the following description and the figures.

A basic disc brake comprises a brake carrier, a floating caliper, at least one pair of brake shoes and an actuating element, in particular a single actuating element. The floating caliper is guided on the brake carrier and has or forms a receiving space for a brake disc or at least for a circular segment or a circular segment of a brake disc, wherein the receiving chamber has two brake sides with respect to the brake disc. In particular, the floating caliper is movably guided on the brake carrier in the direction of the brake sides. The brake shoes are assigned to the brake sides and supported on the brake carrier against braking forces. The actuating element is slidably received on the floating caliper in the direction of its longitudinal axis and actuated to exercise a braking function of the disc brake.

In the disc brake, the brake carrier is associated with a brake component of a fixed caliper brake and fixed to the housing with respect to a fixed caliper of the fixed caliper brake, wherein the brake shoes are an integral part of the fixed caliper brake. The floating caliper thus uses the brake shoes of the fixed caliper brake and in particular the existing technical infrastructure of the fixed caliper brake with respect to the brake shoes, such as the technical infrastructure for mounting and / or axial guidance of the brake shoes to exert a braking function on the actuator and the floating caliper. Therefore, the floating caliper itself does not need to have its own brake shoes and / or any receiving devices for holding and / or guiding the brake shoes. As a result, at least one measure is taken to be able to realize the disc brake in a technically simpler and / or more compact and / or lighter weight and / or more cost-effective manner than before. For example, a measure to reduce the operating costs of the disc brake is taken in this way, since only the at least one pair of brake shoes and / or their friction linings are to be replaced in case of wear.

In the present description, the term "housing-fixed" is to be understood in particular as meaning that one component, such as the brake carrier, is immovable relative to another component, such as the fixed caliper. The term "brake shoe" is to be understood in the present description, in particular, a unit which comprises at least one friction lining and a support member carrying the friction lining. For example, the support element is set up to be held on the fixed caliper and guided with respect to the fixed caliper, when the brake shoe is displaced from a starting position against the brake disk in the course of a braking operation.

The used as brake carrier for the floating caliper brake component of the fixed caliper brake may be the fixed caliper of the fixed caliper brake. For example, the brake carrier is attached to the fixed caliper or formed by the fixed caliper. Alternatively, the brake component used as brake carrier for the floating caliper may be a housing of the fixed caliper brake. For example, the brake carrier is attached to the housing or formed by the housing. The housing may be a housing for the fixed caliper, which thus at least partially houses the fixed caliper and in particular is firmly connected to the fixed caliper.

According to one embodiment of the disc brake, it is provided that the floating caliper has a frame structure or as Frame structure is formed, which is received in a formed on the brake member of the fixed caliper brake receptacle. As a result, the floating caliper is brought into a geometry which favors a simple assembly. For this purpose, the formation of the recording offers itself to the brake component. The inclusion of a simple mounting is also favored, as this, the frame structure needs to be introduced only in the recording.

For example, it is provided that the frame structure rests on walls of the receptacle and / or guided in the direction of the brake sides is movable. As a result, a safe braking operation is promoted by means of the floating caliper, since the used as a brake carrier for the floating caliper brake component of the fixed caliper means of the walls provides a support function and / or a guiding function for the floating caliper.

According to a further embodiment, the frame structure comprises a front frame part, a rear frame part and two lateral frame parts, which are connected to the front frame part and the rear frame part to form a frame interior. For example, it is provided that the brake shoes are at least partially disposed within the frame interior. For example, it is further provided that the front frame part is associated with the actuating element, which is operatively connected to a arranged within the frame interior pressure element, and the rear frame part forms a counter-pressure element, wherein the pressure element and the counter-pressure element is assigned in each case at least one of the brake shoes. It can also be provided that at least one of the lateral frame parts is supported against at least one of the walls of the receptacle and / or guided on at least one other of the walls of the receptacle such that the floating caliper is guided in the direction of the brake sides.

It can also be provided that at least one, preferably two mutually spaced support and / or guide elements are associated with the front frame part and / or the rear frame part, which serve to support the floating caliper against the brake component of the fixed caliper brake and / or for guiding the floating caliper serve against the brake component of the fixed caliper brake to move the floating caliper towards the brake sides.

It is also advisable that the front frame part is located outside the frame interior. Thereby, the attachment of a drive machine for the actuating element, such as an electric motor or an electric motor geared motor, is facilitated on the front frame part.

A possible embodiment of the disc brake may consist in that the actuating element for actuation of a parking brake function is actuated and the fixed caliper brake for performing a service brake function. This measure aims to use the fixed caliper brake, which can achieve high braking performance due to their design-related multi-piston design, as a service brake. For example, the fixed caliper brake is hydraulically actuated. Furthermore, intended for the floating caliper actuator is to be used for parking braking. It can be achieved in this way a combination of service brake and parking brake, the service brake can perform a high-performance braking function and the parking brake can muster sufficient braking force to exercise a parking function. For this purpose, it can be provided that the actuating element of the floating caliper is actuated by an electric motor.

The term "service brake function" is to be understood in particular as a function of the disc brake or the fixed caliper brake, by means of which a vehicle equipped with the disc brake or the fixed caliper brake is braked during operation, for example while driving, and / or can be braked to a standstill , Such a service brake can be caused by the driver, for example by pressing the brake pedal, or an automatic driving and / or braking control, such as a Abstandsregeltempomat.

The term "parking brake function" is to be understood in particular as a function of the disc brake, by means of which a vehicle equipped with the disc brake is kept stationary when parking braking has taken place. It is intended to prevent the vehicle from unintentionally rolling away, even when the vehicle is standing on an inclined road. The process of parking braking is also referred to as parking brake in the present description. Also, in the present specification, the term "parking brake function" is used as a synonym for the term "parking brake function". The parking brake function can basically also be used for emergency braking of the vehicle. The parking brake function therefore also implies an emergency braking function.

A possible embodiment of a fixed caliper, which can be used as a fixed caliper of the above-described fixed caliper brake, comprises a caliper body, at least one pair of brake shoes, for example the at least one pair of brake shoes of the above described disc brake, and a support structure for a floating caliper, for example, the floating caliper of the disc brake described above. The caliper body of the fixed caliper has at least one attachment point for attachment to a vehicle. For example, the attachment point has a passage opening, in particular a through hole, or a blind hole, in particular a blind hole, or is formed therefrom. The caliper body further comprises at least two opposite inner sides, which are arranged at a distance from each other, to arrange between the inner sides of a brake disc, in particular the brake disc described above.

The brake shoes each include one of the brake disc facing the front and a back and are supported on the caliper body against braking forces. In particular, the brake shoes are further slidably received on the caliper body in the direction of the brake disc. One of the brake shoes is assigned to one of the insides of the caliper body. In particular, the fixed caliper further comprises at least one pair of actuating elements, for example a pair of actuating pistons, which are slidably received on the caliper body in the direction of their respective longitudinal axis and can be actuated to perform a braking function, wherein one of the actuating elements is associated with one of the brake shoes. In particular, the fixed caliper on a hydraulic actuator or is used by a hydraulic actuator. In particular, the actuators are hydraulically actuated, for example by means of the hydraulic actuator operable.

In the fixed caliper, the support structure is arranged on the caliper body or formed thereon and the caliper body has in the region of the support structure on a free space through which the brake shoes are respectively at least partially released, via the floating caliper on the brake shoes and, in particular about the brake disc, to act and exercise a braking function. As a result, the proposed fixed caliper offers the possibility to mount a floating caliper, such as the floating caliper of the disk brake described above, and to use the brake shoes of the caliper for exercising a brake function via the floating caliper.

At the same time it is possible in this way that the design of the fixed caliper to the outside remains largely unchanged, since the floating caliper can be integrated directly into the contour of the fixed caliper due to the free space. It is also made possible by the fact that the brake shoes can be used by the floating caliper for a braking operation, without resulting in an intervention in any hydraulic actuator of the fixed caliper brake over which the fixed caliper brake exerts a braking function by means of the brake shoes. An interface to the hydraulic actuating device, in particular to a hydraulic circuit, can be avoided. In this respect, no sealing measures need to be taken. If this proposed embodiment of the fixed caliper in the disk brake described above forms the fixed caliper of the fixed caliper brake, the carrier structure serves as a brake carrier for the floating caliper.

According to one embodiment of the fixed caliper, it is provided that the rear side of the brake shoes in each case faces a wall or a wall portion of the support structure and / or the caliper body and between the back of the respective brake shoe and the associated wall, a gap is provided in each case a pressure element to arrange the floating caliper and over it to exercise the braking function. As a result, an installation of the floating caliper is facilitated in a simple assembly manner and with little effort, since to do so the floating caliper needs to be positioned only on or in the intermediate space in order to produce the desired operative connection to the brake shoes.

A further embodiment of the fixed caliper is that the support structure and / or the caliper body has at least one wall or a wall portion, wherein the wall or the wall portion is adapted to support the floating caliper and / or to guide in its movement when exerting the braking function. As a result, a safer braking operation by means of the floating caliper is favored, since the fixed caliper used as a brake carrier for the floating caliper provides a support function and / or a guiding function for the floating caliper by means of the at least one wall or the at least one wall section.

According to one embodiment of the fixed caliper, it can be provided that the support structure comprises or is formed from a receptacle, wherein the receptacle is arranged or formed on the caliper body and is adapted to receive the floating caliper. This favors a mounting of the floating caliper on the fixed caliper or the caliper body of the fixed caliper, since the floating caliper needs to be easily inserted into the intended receptacle of the support structure and then already in a final assembly position or already close to a final assembly position.

To bring the floating caliper in montage technically simple manner in the recording To be able to, the receptacle comprises an insertion opening, which is particularly adapted to the dimensions of the floating caliper or its caliper body. For example, the receptacle and / or the insertion opening is delimited by a plurality of walls or wall sections, of which two opposite walls or wall sections each face the back of one of the brake shoes and between the back of the respective brake shoe and the associated wall a gap is provided to each therein to arrange a pressure element of the floating caliper and exercise over it the braking function. Also, by this measure, it is favored to install the floating caliper in montage technology simple way and with little effort on the fixed caliper, since this the floating caliper needs to be positioned only on or in the gap to produce the desired operative connection to the brake shoes.

It may further be provided that two other, opposite walls or wall sections of the plurality of walls or wall portion of the receptacle are adapted to support the floating caliper and / or to guide in its movement when exercising the braking function. As a result, a safe braking operation by means of the floating caliper is favored, since the fixed caliper used as a brake carrier for the floating caliper provides a support function and / or a guiding function for the floating caliper by means of the walls or the wall sections.

Furthermore, it can be provided that the fixed caliper uses at least one spring element. The spring element is arranged for example between the brake shoes. The spring element is configured to assist and / or to effect a return movement of the brake shoes in order to return the brake shoes from a braking position assumed during a braking operation to an initial position.

In one embodiment of the fixed caliper, it is provided that the caliper body comprises at least two opposing side sections and an intermediate intermediate section, wherein each of the side sections is associated with one of the inner sides. For example, in this case, the support structure is arranged in a region of the intermediate section. As a result, a measure is taken to favor an expansion of the brake shoes of the fixed caliper or the caliper body upwards. In the installed state on a motor vehicle can be realized by replacement of the brake shoes by this measure simplified mounting conditions.

A possible embodiment of a floating caliper, which can be used as a floating caliper of the disc brake described above, for example, is adapted to be mounted on the fixed caliper described above. The floating caliper includes a caliper body and an actuator, such as an actuating cylinder or actuator piston. The caliper body of the floating caliper has or forms a receiving space for a brake disc or at least for a circular portion or a circular segment of a brake disc, wherein the receiving space has two brake sides with respect to the brake disc. The caliper body of the floating caliper is further adapted to be guided on the support structure of the fixed caliper, so to use the fixed caliper as a brake carrier for the floating caliper. In particular, the caliper body of the floating caliper is adapted to be moved on the support structure of the fixed caliper in the direction of the brake sides. The actuating element is slidably received on the caliper body in the direction of its longitudinal axis and actuated to exercise a braking function of the disc brake.

In the floating caliper of the caliper body is equipped without receiving devices for slidably receiving brake shoes. In this respect, the floating caliper itself is preferably equipped without brake shoes. The floating caliper also requires neither own brake shoes nor any receiving devices for holding and / or guiding the brake shoes, since the floating caliper in this regard, the existing technical infrastructure of the fixed caliper, for example, the caliper described above, can use or uses.

According to one embodiment of the floating caliper, it is provided that the caliper body of the floating caliper has a frame structure or is formed as a frame structure. For example, the frame structure comprises a front frame part, a rear frame part and two lateral frame parts, which are connected to the front frame part and the rear frame part to form a frame interior, wherein the frame interior is adapted to surround at least one pair of brake shoes of the fixed caliper, so that Include pair of brake shoes in the frame interior. This measure aims at a technically simple, yet sufficiently stable and durable construction of the floating caliper.

In this direction also aims the possible measure that the front frame part is associated with the actuating element, which is operatively connected to a arranged within the frame interior pressure element. In this case, it may further be provided that the rear frame part forms a counter-pressure element, wherein the pressure element and the counter-pressure element are arranged to be assigned to at least one of the brake shoes of the fixed caliper.

It can further be provided that at least one of the lateral frame parts comprises a contact surface and / or a guide surface in order to bear against at least one wall or a wall section of the fixed caliper and / or be guided on at least one wall or a wall section of the fixed caliper, that the floating caliper is guided guided in the direction of the brake sides. Additionally or alternatively, it can be provided that at least one, preferably two, in particular spaced-apart support or guide elements are assigned to the front frame part and / or the rear frame part, which serve to support the floating caliper against the fixed caliper and / or for guiding the Use floating calipers opposite the fixed caliper to move the floating caliper towards the brake pads.

According to a further aspect of the invention, a brake system for a motor vehicle is provided. The brake system comprises the disc brake described above, which uses, for example, the floating caliper described above and / or the fixed caliper described above. The brake system further includes an electric motor and an electronic control unit for driving the electric motor, wherein the electric motor is used for actuating the actuating element of the disc brake. The controller and the electric motor are configured to adjust a braking force exerted by the at least one brake shoe according to one or more default values to perform a braking operation. The braking force may be a parking brake force. In this case, the braking is a parking brake or parking brake. Alternatively, the braking force may be a service brake force. In this case, the braking is a service brake.

For example, in the default values, information about the braking request requested by the driver, a driver assistance system or an autonomous driving system and / or the inclination of the road surface and / or the coefficient of friction of the road surface and / or the current driving, deceleration or acceleration state of the motor vehicle and / or or via parameters of the motor vehicle, such as the load condition, included or based. This allows a controlled adjustment of the force exerted by the at least one associated brake shoe braking force and a braking force dosage, for example, for a comfortable braking of the motor vehicle feasible.

Further details and features of the invention will become apparent from the following description of an embodiment with reference to the drawing.

• 1 eine mögliche Ausführungsform einer Scheibenbremse mit einer Festsattelbremse und einer Schwimmsattelbremse in perspektivischer Darstellung,
• 2 die Scheibenbremse gemäß der 1 in einer Draufsicht,
• 3 die Schwimmsattelbremse der Scheibenbremse gemäß der 1 in einer perspektivischen Darstellung und
• 4 die Schwimmsattelbremse der Scheibenbremse gemäß der 1 in einer teilgeschnittenen Draufsicht.

Show it:

• 1 a possible embodiment of a disc brake with a fixed caliper brake and a floating caliper brake in a perspective view,
• 2 the disc brake according to 1 in a plan view,
• 3 the floating caliper brake of a disk brake according to 1 in a perspective view and
• 4 the floating caliper brake of a disk brake according to 1 in a partially sectioned plan view.

1 and 2 show a possible embodiment of a disc brake 1 in a perspective view ( 1 ) and in a plan view ( 2 ). In the 1 For the sake of simplicity and clarity, selected components of the disc brake are selected 1 not shown or drawn as a partial section. The disc brake 1 For example, is a vehicle brake and can be used in a motor vehicle, for example in a passenger car or a truck. Through the disc brake 1 is a high-performance braking possible. Additionally or alternatively, a parking brake or parking brake is feasible.

The disc brake 1 includes a fixed caliper brake 2 and a floating caliper brake 3 which are based on a common (in the 1 and 2 not shown) brake disc act or are effective. For example, the fixed caliper brake is used 2 to perform a service brake function and the floating caliper brake 3 is used to perform a parking brake function or parking brake function. A basic idea of the disc brake 1 is it that the floating caliper brake 3 is equipped without its own brake shoes. So the floating caliper brake 3 nevertheless a braking function with regard to the (in the 1 and 2 not shown) brake disc can exercise, uses the floating caliper brake 3 at least one pair of brake shoes 30 . 31 , which is an integral part of the fixed caliper brake 2 are.

From the 1 and 2 is a possible embodiment of a fixed caliper 10 apparent, which as part of the fixed caliper brake 2 the disc brake 1 can be used. The fixed caliper 10 includes a caliper body 20 that at least a pair of brake shoes 30 . 31 and a support structure 40 , which is a brake carrier 50 for a floating caliper 60 the floating caliper brake 3 forms and on the caliper body 20 arranged or formed thereon. The fixed caliper 10 is for example over the caliper body 20 fixed in relation to a (in the 1 and 2 not shown) vehicle fastened. For this purpose, the caliper body 20 at least one, for example, two attachment points for attachment to the vehicle. The attachment points can be formed by a through hole or - bore or blind hole or bore, in particular a threaded hole.

The caliper body 20 further comprises at least two opposing (in the 1 and 2 invisible) inner sides, which are arranged at a distance from each other to between the inner sides of the (in the 1 and 2 not shown) to arrange brake disc. In particular, when installed, the inner sides of the caliper body 20 each facing one of the surface sides of the brake disc. Preferably, the caliper body comprises 20 two opposing (in the 1 and 2 not visible) side sections and an intermediate intermediate section 24 , wherein each of the side portions are associated with one of the inner sides and the support structure 40 in an area of the intermediate section 24 is arranged. The brake shoes 30 . 31 each have a front side facing the brake disc and a rear side facing away from the brake disc 33 on. The brake shoes 30 . 31 are each on the caliper body 20 supported against braking forces and, for example, on the caliper body 20 towards the (in the 1 and 2 not shown) disc slidably received, wherein each one of the brake shoes 30 . 31 one of the insides of the caliper body 20 assigned.

To make it possible for the floating caliper brake 3 for performing a braking function, the brake shoes 30 . 31 of the solid saddle 10 can use, points the caliper body 20 of the solid saddle 10 in the area of the support structure 40 a free space 23 on, through which the brake shoes 30 . 31 each are at least partially released. In other words, the floating caliper 60 on the support structure 40 are arranged, floating to the support structure 40 , where through the free space 23 the brake shoes 30 . 31 are released so that the floating caliper 60 on the brake shoes 30 . 31 can work.

So the floating caliper 60 on the brake shoes 30 . 31 of the solid saddle 10 can act, it is preferably provided that the back 33 the brake shoes 30 . 31 one wall each 41.1 or. 41.2 the support structure 40 facing and between the respective brake shoe 30 or. 31 and the associated wall 41.1 or. 41.2 a gap 42 or. 43 is present. The gap 42 or. 43 So it's at the back 33 the respective brake shoe 30 or. 31 educated. It serves to ensure that there is a pressure element 75 or. 76 of the floating caliper 60 can be arranged, as from the 1 and 2 is apparent. About the pressure element 75 and the pressure element 76 is then by means of the floating caliper 60 a brake function by the floating caliper brake 3 to realize.

It is preferably provided that the support structure 40 at least one more wall 41.3 or. 41.4 which is adapted to the floating caliper 60 to guide in its movement when applying the braking function. Preference is given to further walls 41.5 or. 41.6 or wall sections provided, which are adapted to the floating caliper 60 support. For example, the support structure 40 a recording 41 or take a picture 41 out, with the walls 41.1 . 41.2 . 41.3 and 41.4 Side walls of the recording 41 form, for example, an insertion 44 limit. About the insertion opening 44 For example, the caliper body 70 of the floating caliper 60 in the recording 41 be introduced. For example, form the other walls 41.5 and 41.6 each wall sections of a bottom of the recording 41 or heels to which the caliper body 70 of the floating caliper 60 is supported or hung up.

The floating caliper 60 the floating caliper brake 3 is also out 3 and 4 seen. There is the floating caliper 60 alone and without the fixed caliper 10 or the fixed caliper brake 2 shown. The 3 shows the floating caliper 60 in a perspective view and the 4 in a partially sectioned plan view. As can be seen in particular, the floating caliper comprises 60 the caliper body 70 and an actuator 80 , The caliper body 70 forms a recording room 71 for the (in the 1 to 4 not shown) brake disc, wherein the receiving space 71 two brake sides 72 . 73 in terms of the brake disc has.

The actuator 80 is on the caliper body 70 in the direction of its longitudinal axis 81 slidably received and actuated to exercise a braking function. For example, the actuating element 80 designed as an actuating piston and, for example, an elastic and / or flexible protective cover 63 , in particular rubber-elastic cuff surrounded. For example, the actuating element 80 operatively connected to an electric actuator. The electric actuator can be an electric motor 61 or a geared motor 62 with an electric motor 61 and possibly a Hubspindelgetriebe include, wherein the actuator drive as a unit, for example also on the caliper body 70 is attached, as in particular from the 3 and 4 is apparent.

The caliper body 70 is set up, at the support structure 40 of the solid saddle 10 towards the brake sides 72 . 73 to be guided. For example, to the caliper body 70 of the floating caliper 60 formed as a frame structure or has a frame structure. The frame structure can by a front frame part 70.1 , a rear frame part 70.2 and two lateral frame parts 70.3 . 70.4 be formed, with the lateral frame parts 70.3 and 70.4 with the front frame part 70.1 and the rear frame part 70.2 forming a frame interior 74 are connected. Also, the frame parts 70.1 . 70.2 . 70.3 . 70.4 form an integral frame. The frame interior 74 is dimensioned in such a way that the at least one pair of brake shoes 30 . 31 of the solid saddle 10 the disc brake 1 can be included, so the brake shoes 30 . 31 embrace.

Preferably, the front frame part 70.1 the actuator 80 assigned. The actuator 80 is with the above-mentioned pressure element 75 operatively connected, which within the frame interior 74 is arranged. The pressure element 75 is the already mentioned above pressure element 76 assigned, which serves as a counter-pressure element and the rear frame part 70.2 is assigned, for example, by the rear frame part 70.2 is formed. The pressure element 75 and the counter-pressure element 76 are set, in each case at least one of the brake shoes 30 . 31 of the solid saddle 10 to be assigned. Preferably, at least one, preferably both lateral frame parts 70.3 . 70.4 set up against at least one of the walls 41.1 . 41.2 . 41.3 . 41.4 . 41.5 . 41.6 of the solid saddle 10 support and / or on at least one of the walls 41.1 . 41.2 . 41.3 . 41.4 . 41.5 . 41.6 of the solid saddle 10 to be guided so that the floating caliper 60 towards the brake sides 72 . 73 can be moved. For example, at least one of the lateral frame parts 70.3 . 70.4 to an investment area 79.1 and / or a guide surface 79.2 on. The contact surface 79.1 can be at the bottom of the caliper body 70 of the floating caliper 60 be provided. The guide surface 79.2 can be on a lateral outside of the caliper body 70 of the floating caliper 60 be provided.

Additionally or alternatively, support and / or guide elements 77.1 . 77.2 be provided, which are formed for example as a pin member. The support and / or guide elements 77.1 . 77.2 can be the front frame part 70.1 and / or the rear frame part 70.2 be assigned and are preferably spaced from each other. For example, the support and / or guide elements 77.1 . 77.2 in the region of the respective longitudinal end of the front frame part 70.1 arranged and in between is the actuating element 80 arranged. By the support and / or guide elements 77.1 . 77.2 becomes the floating caliper 60 opposite the fixed caliper 10 supported and / or guided to the floating caliper 60 to be able to move forcibly.

As in particular from the 2 it can be seen, at least one spring element 11 be provided, which between the brake shoes 30 . 31 is arranged and set up, a return movement of the brake shoes 30 . 31 to assist and / or effect to the brake shoes 30 . 31 to move from a braking position taken in a braking operation back to a starting position. For this purpose, the spring element 11 preferably a plurality of spring sections 14 on which against the brake shoes 30 . 31 to press. For example, the spring element 11 against at least one, preferably two pin elements 12 . 13 supported and / or jammed. The pin elements 12 . 13 are each one hand in a recording 78.1 , in particular passage opening, on the pressure element 75 and on the other hand in a picture 78.2 , in particular passage opening, on the counter-pressure element 76 or the rear frame part 70.2 are recorded or inserted, wherein in at least one of the shots 78.1 the pin element 12 or. 13 is held movable, so that the pressure element 75 relative to the counter-pressure element 76 can still be moved to make a brake.

In 1 and 2 is the floating caliper 60 on the fixed caliper 10 assembled. The saddle body is then preferred 70 of the floating caliper 60 in the recording 40 of the solid saddle 10 recorded, with respect to the frame structure of the floating caliper 60 the front frame part 70.1 the wall 41.1 , the rear frame part 70.2 the wall 41.2 , the side frame part 70.3 the wall 41.3 and the side frame part 70.4 the wall 41.4 assigned. For example, the walls serve 41.3 and 41.4 as a guide to which the caliper body 70 via the respectively associated lateral frame part 70.3 or. 70.4 is guided to the floating caliper 60 to be able to move performed to exercise a braking function. Preferably, at least one of the lateral frame parts is supported 70.3 and 70.4 at the associated bottom walls 41.5 and 41.6 the recording 40 of the solid saddle 10 from.

For example, the rear frame part is located 70.2 in the gap 43 between the brake shoe 30 and the wall 41.2 , Preferably, the front frame part is located 70.1 outside of the recording 40 formed free space 23 , The associated wall 41.1 is rather between the pressure element 75 and the front frame part 70.1 arranged in this way the floating movement of the floating caliper 60 relative to the fixed caliper 10 to allow in the course of a braking operation. For example, the support and / or guide elements 77.1 and 77.2 against the wall 41.1 firmly connected and for example is the caliper body 70 of the floating caliper 60 opposite the support and / or guide elements 77.1 and 77.2 movable, in particular on the support and / or guide elements 77.1 and 77.2 movably guided. This can be the saddle body 70 corresponding openings, for example through openings, on which the caliper body 70 against the support and / or guide elements 77.1 and 77.2 is supported and / or led to it.

In the present specification, reference to a particular aspect or embodiment, or particular embodiment, means that at least one particular feature or characteristic described in connection with the particular aspect or embodiment or embodiment is included therein is, but not necessarily included in all aspects or embodiments or embodiments of the invention. It is to be expressly understood that any combination of the various features and / or structures and / or properties described with respect to the invention are intended to be embraced by the invention unless expressly or unequivocally refuted by the context.

The use of any or all examples or example language in the text is intended to be illustrative only of the invention and not limit the scope of the invention unless otherwise stated. Also, no language or formulation of the description is to be understood as an unclaimed element that is essential to the practice of the invention.

LIST OF REFERENCE NUMBERS

1

disc brake

2

Fixed caliper brake

3

Floating caliper brake

10

fixed caliper

11

spring element

12

pin element

13

pin element

14

spring section

20

Caliper body (fixed caliper)

23

free space

24

intermediate section

30

brake shoe

31

brake shoe

32

front

33

back

40

support structure

41

admission

41.1

wall

41.2

wall

41.3

wall

41.4

wall

41.5

wall

41.6

wall

42

gap

43

gap

44

insertion

50

brake carrier

60

floating caliper

61

electric motor

62

gearmotor

63

cover

70

Saddle body (floating caliper)

70.1

front frame part

70.2

rear frame part

70.3

lateral frame part

70.4

lateral frame part

71

accommodation space

72

brake side

73

brake side

74

Frame interior

75

pressure element

76

Counterpressure element

77.1

Support and / or guide element

77.2

Support and / or guide element

78.1

Through opening

78.2

Through opening

79.1

contact surface

79.2

guide surface

80

actuator

81

longitudinal axis

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2007/039922 A1 [0002]

Claims (17)

Fixed caliper (10) for a disc brake (1), comprising a caliper body (20), at least one pair of brake shoes (30, 31) and a support structure (40) for a floating caliper (60), the caliper body (20) having at least one attachment point to the caliper body Attaching to a vehicle and having at least two opposite inner sides, which are arranged at a distance from each other to arrange a brake disc between the inner sides, wherein the brake shoes (30, 31) each have a brake disc facing front side (32) and a back (33 ), are supported against the caliper body (20) against braking forces and preferably on the caliper body (20) slidably received in the direction of the brake disc and one of the brake shoes (30, 31) one of the inner sides of the caliper body (20) is assigned, wherein the Carrier structure (40) on the caliper body (20) is arranged or formed thereon and the caliper body (20) in the region of the Trägerstruktu r (40) has a free space (23) through which the brake shoes (30, 31) are each at least partially released to act on the floating caliper (60) on the brake disc and to exert a braking function. Fixed caliper after Claim 1 wherein the rear side (33) of the brake shoes (30, 31) in each case a wall (41.1, 41.2) or a wall portion of the support structure (40) and / or the caliper body (20) faces and between the back (33) of the respective brake shoe (30; 31) and the associated wall (41.1; 41.2) a space (42; 43) is provided to each therein a pressure element (75; 76) of the floating caliper (60) to arrange and exert over the braking function. Fixed caliper after Claim 1 or 2 wherein the support structure (40) and / or the caliper body (20) at least one wall (41.3; 41.4) or a wall portion, wherein the wall (41.3; 41.4) or the wall portion is adapted to support the floating caliper (60) and / or to guide in its movement when applying the braking function. Fixed caliper according to one of the preceding claims, wherein the caliper body (20) comprises two opposing side sections (24, 25) and an intermediate section (26) therebetween, the side sections (24, 25) being respectively associated with one of the inner sides and the support structure (40 ) is disposed in a region of the intermediate portion (26). A fixed caliper according to any one of the preceding claims, wherein the support structure (40) comprises or is formed with a receptacle (41), the receptacle (41) being arranged or formed on the caliper body (20) and adapted to receive the floating caliper (60) , Fixed caliper after Claim 5 wherein the receptacle (41) comprises an insertion opening (44) and the receptacle (41) and / or the insertion opening (44) is bounded by a plurality of walls (41.1, 41.2, 41.3, 41.4) or wall sections, of which two opposite walls (41). 41.1, 41.2) or wall sections respectively facing the rear side (33) of one of the brake shoes (30, 31) and between the rear side (33) of the respective brake shoe (30, 31) and the associated wall (41.1, 41.2) has a gap (42 43) is provided to each in order to arrange a pressure element (75; 76) of the floating caliper (60) and to exert over it the braking function. Fixed caliper after Claim 6 , wherein two other opposite walls (41.3, 41.4) or wall sections of the plurality of walls (41.1, 41.2, 41.3, 41.4) or wall sections of the receptacle (41) are adapted to support the floating caliper (60) and / or in its movement during exercise to perform the braking function. Fixed caliper according to one of the preceding claims, wherein the fixed caliper (10) uses at least one spring element (11), which is arranged between the brake shoes (30, 31) and is adapted to support a return movement of the brake shoes (30, 31) and / or to cause the brake shoes (30, 31) to be returned to a starting position from a braking position assumed during a braking operation. Floating caliper (60) for a disc brake (1), which is adapted to a fixed caliper (10) according to one of Claims 1 to 8th and a saddle body (70) and an actuator (80), wherein the caliper body (70) is adapted to be guided on the support structure (40) of the fixed caliper (10), and a receiving space (71) for a Brake disc having two brake sides (72, 73) with respect to the brake disc, wherein the actuating element (80) on the caliper body (70) is slidably received in the direction of its longitudinal axis (81) and for performing a braking function of the disc brake (1). is operable and wherein the caliper body (70) is equipped without receiving means for slidably receiving brake shoes. Floating saddle after Claim 9 , wherein the caliper body (70) has a frame structure or is formed as a frame structure and a front frame part (70.1), a rear frame part (70.2) and two lateral frame parts (70.3, 70.4), which with the front frame part (70.1) and the rear frame part (70.2) to form a Frame interior (74) are connected, wherein the frame interior (74) is adapted to engage around at least one pair of brake shoes (30, 31) of the fixed caliper (10). Floating saddle after Claim 10 in that the front frame part (70.1) is assigned the actuating element (80) which is operatively connected to a pressure element (75) arranged inside the frame interior (74), and the rear frame part (70.2) forms a counterpressure element (76), wherein the pressure element (75) and the counter-pressure element (76) are arranged to be assigned to at least one of the brake shoes (30, 31) of the fixed caliper (10). Floating saddle after Claim 10 or 11 , wherein at least one of the lateral frame parts (70.3, 70.4) comprises an abutment surface (79.1) and / or a guide surface (79.2) to bear against at least one wall (41.1; 41.2; 41.3; 41.4; 41.5; 41.6) of the fixed caliper (10 ) and / or to be guided on at least one wall (41.3, 41.4) of the fixed caliper (10) in such a way that the floating caliper (60) is guided in the direction of the brake sides (72, 73). Floating saddle after one of the Claims 10 to 12 , wherein the front frame part (70.1) and / or the rear frame part (70.2) at least one, preferably two mutually spaced support and / or guide elements (77.1, 77.2) are assigned, which for supporting the floating caliper (60) against the fixed caliper ( 10) and / or for guiding the floating caliper (60) relative to the fixed caliper (10) serve to move the floating caliper (60) towards the braking sides (72, 73) to move. Disc brake (1), comprising a brake carrier (50), a floating caliper (60), at least one pair of brake shoes (30, 31) and an actuating element (80), wherein the floating caliper (60) is guided on the brake carrier (50) and a Receiving space (71) for a brake disc having two brake sides (72, 73) with respect to the brake disc, wherein the brake shoes (30, 31) the brake sides (72, 73) are assigned and on the brake carrier (50) against braking forces are supported, wherein the actuating element (80) on the floating caliper (60) is slidably received in the direction of its longitudinal axis (81) and for exercising a brake function of the disc brake (1) is actuated and wherein the brake carrier (50) a brake component of a fixed caliper brake (2 ) and fixed to the housing relative to a fixed caliper of the fixed caliper brake (2) is arranged and the brake shoes (30, 31) are an integral part of the fixed caliper brake (2). Disc brake after Claim 14 , wherein the fixed caliper by a fixed caliper (10) after one of Claims 1 to 8th is formed and the brake member and the brake carrier (50) through the support structure (40) of the fixed caliper (10) according to one of Claims 1 to 8th are formed and wherein the floating caliper by a floating caliper (60) according to one of Claims 9 to 13 is formed. Disc brake after Claim 14 or 15 wherein the actuating element (80) is operable to perform a parking brake function and the fixed caliper brake (2) serves to perform a service brake function. Brake system for a motor vehicle, comprising a disc brake (1) according to one of Claims 14 to 16 an electric motor and an electronic control apparatus for driving the electric motor, wherein the electric motor for actuating the actuating element (80) of the disc brake (1) and wherein the control device and the electric motor are arranged, one of the at least one brake shoe (30; Disc brake (1) applied braking force, in particular parking brake force to set according to one or more default values.

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