Electromechanical brake caliper assembly

Abstract

The utility model discloses an electronic mechanical brake caliper assembly which comprises a brake caliper assembly and a motor assembly, the brake caliper assembly comprises a brake caliper body, the motor assembly comprises a motor shell and a motor stator and rotor assembly, the motor shell and the brake caliper body are of an integrated structure, and the motor stator and rotor assembly is arranged in the brake caliper body. The electronic mechanical brake caliper assembly is reasonable in structural design, the motor shell is integrated on the brake caliper body, internal parts are directly assembled in the motor cavity of the brake caliper body, the size of the brake caliper assembly and the number of the parts are reduced, the structure is more compact, and arrangement is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle brake system technical field especially is related to an electronic mechanical brake caliper assembly. BACKGROUND

[0002] The electronic mechanical brake caliper assembly includes the caliper body assembly of brake caliper, motor assembly and ECU assembly, relative to traditional hydraulic caliper or EPB caliper, the volume increases, the weight increases, the motor volume is big, simultaneously, if with ECU assembly, the volume will further increase, therefore, it is difficult to arrange at the wheel end, the front and rear wheel arrangement is easy to interfere with suspension, rim, drive shaft etc.

[0003] The motor assembly and brake caliper body of existing electronic mechanical brake caliper assembly are split type, are connected together through bolt, and the motor assembly volume is relatively large, the brake caliper body needs to reserve installation space for the motor, has greater space demand to the arrangement of wheel end caliper assembly, is not conducive to arrangement, and simultaneously, the motor and brake caliper body split type scheme have many parts.

[0004] As patent CN109707771A discloses a kind of brake caliper assembly applied to electronic parking, including actuator assembly and caliper body assembly, actuator assembly includes motor and power transmission mechanism, the power transmission mechanism includes first gear transmission mechanism, second gear transmission mechanism and planetary gear mechanism connected in sequence;The shell of motor and caliper body are split structure.Between again such as patent CN218817770U discloses an electric control brake caliper assembly, including MGU, ECU and brake caliper assembly;The ECU and MGU are integrally arranged;The MGU is connected on brake caliper assembly, and through hole is provided on caliper body, motor is set through the through hole on caliper body, and its motor shell and caliper body are also split setting. UTILITY MODEL CONTENTS

[0005] In view of the prior art deficiency, the utility model provides an electronic mechanical brake caliper assembly, the motor shell is integrated on brake caliper body, reduces the volume and the number of parts of caliper assembly.

[0006] In order to solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] The electronic mechanical brake caliper assembly includes brake caliper assembly and motor assembly, the brake caliper assembly includes brake caliper body, the motor assembly includes motor shell and motor stator-rotor assembly, the motor shell and brake caliper body are integrated into one structure, and the motor stator-rotor assembly is arranged in brake caliper body.

[0008] Further or preferably:

[0009] The motor cavity wall forms a motor shell, and a motor stator-rotor assembly is arranged in the motor cavity.

[0010] The brake caliper assembly further comprises a bracket and a brake pad assembly arranged on the bracket, and the bracket and the brake caliper body are connected through a pin hole structure arranged around the motor cavity.

[0011] One end of the brake caliper body corresponds to a port of the motor cavity and is provided with a profiled groove, and a speed reduction structure module is arranged in the profiled groove.

[0012] An opening is arranged on the brake caliper body and corresponds to the bottom of the motor cavity, and a detachable motor tail cover is arranged at the opening.

[0013] The brake caliper body is provided with a shell cover for sealing.

[0014] The ECU assembly is arranged corresponding to the profiled groove of the brake caliper body, and the ECU assembly forms an integrated cover structure of the sealed profiled groove.

[0015] The opening on the brake caliper body is a threaded hole, and the motor tail cover is fixed through cooperation of a motor tail cover screw and the threaded hole.

[0016] The edge of the ECU assembly is connected to the edge of the profiled groove of the brake caliper body through a connecting structure.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The electronic mechanical brake caliper assembly has reasonable structure design, the motor shell is integrated on the brake caliper body, internal parts are directly assembled in the motor cavity of the brake caliper body, the volume of the caliper assembly and the number of parts are reduced, the structure is more compact, and arrangement is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] The contents expressed by each drawing of the present specification and the marks in the drawings are briefly described as follows:

[0020] Figure 1 It is a structural schematic view of the electronic mechanical brake caliper (with ECU assembly) of the utility model.

[0021] Figure 2 It is a structural schematic view of the electronic mechanical brake caliper (without ECU assembly) of the utility model.

[0022] Figure 3 It is an explosion view of the electronic mechanical brake caliper (with ECU assembly) of the utility model.

[0023] Figure 4 It is an explosion view of the electronic mechanical brake caliper (without ECU assembly) of the utility model.

[0024] Figure 5 The utility model discloses a motor shell is integrated on the schematic diagram of brake caliper.

[0025] Figure 6 The utility model discloses a motor assembly and brake caliper explosion view.

[0026] In the drawing,

[0027] 1, brake caliper assembly (with ECU assembly);

[0028] 2, brake caliper assembly (without ECU assembly);

[0029] 3, ECU assembly;4, speed reduction structure module;5, motor stator rotor assembly;6, brake caliper assembly;7, inner brake shoe assembly;8, support;9, outer brake shoe assembly;10, shell cover;12, brake caliper body;20, motor tail cover screw;30, motor tail cover;40, motor tail cover O ring;

[0030] 12a, brake caliper body bridge, 12b, brake caliper body hook;12c, motor shell;12d, brake caliper guide hole;12e, motor shell inner cavity;12f, speed reduction mechanism installation inner cavity. DETAILED DESCRIPTION

[0031] The specific embodiments of the utility model are further explained in detail by the description of the embodiments with reference to the drawings.

[0032] The utility model electronic mechanical brake caliper assembly innovation point mainly is in brake caliper body aspect, and transmission and execution part adopts each structural scheme to be all in the utility model protection range;The utility model integrates motor shell to brake caliper body, and internal components are directly assembled to the motor cavity of brake caliper body, and the volume of caliper assembly and the number of components are reduced, and the structure is more compact, and it is favorable to arrangement.

[0033] As Figures 1 to 6 Shown, the electronic mechanical brake caliper assembly, including brake caliper assembly 6 and motor assembly;Brake caliper assembly 6 includes brake caliper body 12, support 8 and brake shoe assembly arranged on the support;Motor assembly includes motor shell and motor stator rotor assembly 5, and the brake caliper body is integrated one body structure with motor shell, and the motor stator rotor assembly is arranged in brake caliper body.

[0034] Further, the brake caliper body 12 is provided with motor cavity, and the motor cavity wall forms motor shell, and the motor stator rotor assembly is arranged in motor cavity, and the traditional separate motor shell structure is saved, and the motor assembly structure is directly integrated in brake cavity, and the structure is more compact.

[0035] The type slot at one end of the brake caliper body corresponds to the motor cavity port, a speed reduction structure module 4 is arranged in the type slot, and an execution structure arranged in the brake caliper body corresponds to the speed reduction structure module; the support 8 and the brake caliper body are connected through a pin hole structure, and the pin hole structure is arranged around the motor cavity, and the structure is compact.

[0036] The type slot at one end of the brake caliper body is integrated with a speed reduction mechanism installation inner cavity 12f and a motor shell inner cavity 12e, the other end of the brake caliper body is a brake caliper hook 12b, the brake caliper hook is used for support positioning, and the middle part of the brake caliper body is a brake caliper bridge part 12a; a motor shell 12c is formed on the brake caliper body and corresponds to the motor shell inner cavity, an ear is extended from the motor shell position on the brake caliper body, a brake caliper guide hole 12d is arranged on the ear, a guide pin on the support is matched with the guide hole to form a guide structure, and the guide structure is arranged around the motor shell, and the structure is more compact.

[0037] The brake pad assembly comprises an inner brake pad assembly 7 and an outer brake pad assembly 9, and the inner brake pad assembly is arranged corresponding to the execution part.

[0038] An opening is arranged on the brake caliper body and corresponds to the bottom of the motor cavity, and a detachable motor tail cover 30 is arranged at the opening. Further, the opening on the brake caliper body is a threaded hole, the motor tail cover is fixed by cooperation of a motor tail cover screw 20 and the threaded hole, and a motor tail cover O-ring 40 is arranged at the cooperation position.

[0039] As shown in Figure 3 , a brake caliper assembly (with ECU assembly) 1 is shown;

[0040] The electronic mechanical brake caliper assembly further comprises an ECU assembly 3, the ECU assembly is arranged corresponding to the type slot of the brake caliper body, the ECU assembly forms an integrated cover structure of the sealed type slot, and a separate shell cover is omitted.

[0041] The edge part of the ECU assembly is connected with the edge part of the type slot of the brake caliper body through a connecting structure; the connecting structure can be a butt joint connecting frame connected through a fastener or a buckle structure.

[0042] Or, as shown in Figure 4 , a brake caliper assembly (without ECU assembly) 2 is shown;

[0043] The brake caliper body is provided with a shell cover 10 for sealing corresponding to the type slot; the ECU assembly is separated and assembled through a single shell cover.

[0044] The utility model optimizes specific examples as follows:

[0045] The brake caliper body is integrated with the motor to form an integrated electronic mechanical brake caliper; the motor housing is integrated with the brake caliper body, and the motor internal components are directly assembled into the motor housing of the brake caliper body; the volume of the caliper assembly is reduced, the number of components is reduced, the weight of the components is reduced, and a group of sealing pairs is reduced.

[0046] The guide pin hole of the electronic mechanical brake caliper can be arranged on the bracket or the brake caliper body, and the guide hole or guide pin mounting hole on the caliper body can be arranged around the motor housing to flexibly arrange the wheel end to form a compact arrangement.

[0047] The synchronization of the electronic mechanical brake caliper can reserve a mounting space for a speed reduction mechanism, and is directly integrated with an ECU assembly or can be separated from the ECU assembly and assembled through a single shell cover.

[0048] A detachable tail cover structure is added to the tail part of the motor housing of the brake caliper body to facilitate the performance detection of the motor.

[0049] The electronic mechanical brake caliper assembly is driven by a motor, a speed reduction mechanism module reduces speed, and the piston of the brake caliper assembly pushes the inner and outer brake pads to clamp the brake disc to realize the brake function; at the same time, a control unit ECU assembly can also be integrated with the caliper; due to the large volume of the motor of the electronic mechanical brake caliper assembly, a large space is required for assembly with the brake caliper, and in addition, the guide structure of the brake caliper needs to be avoided, making it difficult to arrange the wheel end; integrating the motor housing with the brake caliper body can reduce the overall volume of the electronic mechanical brake caliper assembly, the structure is more compact, the number of components is reduced, and the guide hole on the brake caliper can be flexibly adjusted around the outer circle of the motor housing on the brake caliper body according to the vehicle arrangement space.

[0050] The motor stator and rotor assembly 5 is assembled into the inner cavity 12e of the brake caliper motor housing, the motor tail part is provided with a motor tail cover mounting hole, the motor tail cover 30, the motor tail cover O-ring 40 and the motor tail cover screw 20 are used for installation and sealing, the motor performance can be detected by detaching the motor tail cover screw 20 and the motor tail cover 30.

[0051] The above is only a description of the preferred embodiments of the present application, and the above technical features can be arbitrarily combined to form multiple embodiment schemes of the present application.

[0052] The utility model has been described exemplarily above in combination with the drawings, obviously, the utility model specific implementation is not limited by the above-mentioned mode, as long as various non-essential improvements of adopting the utility model's conception and technical scheme, or the conception and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. An electromechanical brake caliper assembly comprising a brake caliper assembly (6) and a motor assembly, the brake caliper assembly (6) comprising a brake caliper body (12), the motor assembly comprising a motor housing (12c) and a motor stator-rotor assembly (5), characterised in that: The motor housing (12c) is integrated with the brake caliper body (12), and the motor stator-rotor assembly (5) is arranged in the brake caliper body (12).

2. The electromechanical brake caliper assembly of claim 1, wherein: The brake caliper body (12) is provided with a motor cavity, and a wall of the motor cavity forms the motor housing (12c), and the motor stator-rotor assembly (5) is arranged in the motor cavity.

3. The electromechanical brake caliper assembly of claim 1, wherein: The brake caliper assembly (6) further comprises a bracket (8) and a brake pad assembly arranged on the bracket, and the bracket and the brake caliper body are connected through a pin hole structure, and the pin hole structure is arranged around the motor cavity.

4. The electromechanical brake caliper assembly of claim 2, wherein: The brake caliper body (12) is provided with a type slot at one end corresponding to the port of the motor cavity, and the type slot is provided with a speed reduction structure module (4).

5. The electromechanical brake caliper assembly of claim 2, wherein: The brake caliper body (12) is provided with an opening corresponding to the bottom of the motor cavity, and the opening is provided with a detachable motor tail cover (30).

6. The electromechanical brake caliper assembly of claim 4, wherein: The brake caliper body (12) is provided with a shell cover (10) for sealing corresponding to the type slot.

7. The electromechanical brake caliper assembly of claim 4, wherein: Further comprising an ECU assembly (3), the ECU assembly (3) is arranged corresponding to the type slot of the brake caliper body (12), and the ECU assembly (3) forms an integrated cover structure of the sealed type slot.

8. The electromechanical brake caliper assembly of claim 5, wherein: The opening on the brake caliper body (12) is a threaded hole, and the motor tail cover is fixed by cooperating with the threaded hole through a motor tail cover screw (20).

9. The electromechanical brake caliper assembly of claim 7, wherein: The edge of the ECU assembly (3) and the edge of the type slot of the brake caliper body (12) are connected through a connecting structure.

Images