CN221033715U - Linear control brake device - Google Patents
Linear control brake device Download PDFInfo
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- CN221033715U CN221033715U CN202323211595.9U CN202323211595U CN221033715U CN 221033715 U CN221033715 U CN 221033715U CN 202323211595 U CN202323211595 U CN 202323211595U CN 221033715 U CN221033715 U CN 221033715U
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- brake
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- thrust bearing
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- 238000012545 processing Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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Abstract
The application relates to a brake-by-wire device, and relates to the technical field of brake control. The linear control brake device comprises a brake caliper, a plane thrust bearing, a screw rod assembly, a bolt, a brake pad, a gear assembly, a motor and a base; the plane thrust bearing is arranged at the bottom of the brake caliper, the brake caliper and the base are integrally machined, and the perpendicularity of the brake caliper and the base is effectively guaranteed, so that the bearing is stressed more uniformly, and the service life of the bearing is longer.
Description
Technical Field
The application relates to the technical field of brake control, in particular to a brake-by-wire device.
Background
At present, all the component parts of the automobile are gradually integrated with electrified and intelligent elements so as to meet the high requirements of people on the operability, comfort and safety of the automobile. The brake system is an important component of the chassis of the automobile, and is directly related to the life and property safety of drivers and passengers and the comprehensive performance of the automobile. In a traditional braking system, the mechanical connection is adopted, then oil hydraulic pressure or air pressure is adopted for driving, and the braking speed is relatively slow due to the fact that more elements of a design mechanism are adopted, so that hysteresis is easy to occur in mechanical braking. The brake-by-wire system is used as a brake system controlled by electronics and is mainly characterized in that the mechanical connection between a brake pedal and a brake is canceled, the brake intention of a driver is collected through a pedal sensor or a brake request of an intelligent driving controller is received through a whole vehicle communication network, and then the brake control unit processes electronic signals and controls a brake actuating mechanism to output braking force.
Depending on the brake actuators, brake-by-wire systems include electro-hydraulic brake (EHB) systems, electro-mechanical brake (EMB) systems, and hybrid brake-by-wire (HBBW) systems. In the prior art, the outer piston is connected with the bearing seat during braking and clamping, and the final stress is transmitted to the tail part of the motor through the bearing seat by the needle bearing, because the stress surface of the motor and the inner diameter of the pliers are in split design, machining accumulated tolerance can be generated. The bearing pedestal is perpendicular to the tail of the motor, so that uneven stress of the plane needle bearing can be finally caused, unbalanced load of the plane bearing can be further caused, and the service life of the plane bearing is shortened.
It is therefore desirable to provide a brake-by-wire apparatus that includes a brake caliper, a planar thrust bearing, a screw assembly, a bolt, a brake pad, a gear assembly, a motor, a base; the plane thrust bearing is arranged at the bottom of the brake caliper, the brake caliper and the base are integrally machined, and the perpendicularity of the brake caliper and the base is effectively guaranteed, so that the bearing is stressed more uniformly, and the service life of the bearing is longer.
Disclosure of utility model
According to some embodiments of the present application, there is provided a brake-by-wire apparatus comprising a brake caliper, a planar thrust bearing, a lead screw assembly, a bolt, a brake pad, a gear assembly, a motor, a base; the plane thrust bearing is arranged at the bottom of the brake caliper, and the brake caliper and the base are integrally processed, so that the plane thrust bearing is attached to the base.
In some embodiments, the lead screw assembly is a ball screw assembly that is assembled after the planar thrust bearing is mounted on the bottom of the brake caliper.
In some embodiments, the bolts are withdrawn and the bolts are reassembled after the screw assembly is assembled.
In some embodiments, the brake-by-wire device further comprises a piston cap that is assembled after the bolts are assembled.
In some embodiments, the brake-by-wire device further comprises a dust cap that is assembled after the piston cap is assembled.
In some embodiments, the brake pads include an inner brake pad and an outer brake pad, and the inner brake pad and the outer brake pad are assembled after the dust cap is assembled.
In some embodiments, the brake-by-wire device further comprises a clamp frame that is assembled after the inner brake pad and the outer brake pad are assembled.
In some embodiments, the gear assembly is a two-stage planetary gear assembly that is assembled after the clamp frame is assembled, and the motor is assembled.
In some embodiments, the ball screw assembly further comprises a ball screw sleeve.
In some embodiments, the linear actuation device further comprises an oil reservoir disposed on the ball screw sleeve.
The application relates to a wire control brake device, which comprises a brake caliper, a plane thrust bearing, a screw rod assembly, bolts, a brake block, a gear assembly, a motor and a base; the plane thrust bearing is arranged at the bottom of the brake caliper, the brake caliper and the base are integrally machined, and the perpendicularity of the brake caliper and the base is effectively guaranteed, so that the bearing is stressed more uniformly, and the service life of the bearing is longer.
Drawings
For a better understanding and to set forth embodiments of the application, reference will now be made to the description of embodiments taken in conjunction with the accompanying drawings in which like reference numerals identify corresponding parts throughout.
Fig. 1 is an exemplary block diagram of a brake-by-wire apparatus provided in accordance with some embodiments of the present application.
01: Plane thrust bearing
02: Ball screw assembly
03: Bolt
04: Piston cap
05: Outer brake pad
06: Inner brake pad
07: Gear assembly
08: Motor with a motor housing
09: Clamp frame
10: Brake caliper
11: Dust cover
12: Oil storage tank
13: Ball screw sleeve
14: Base seat
Detailed Description
The following description, with reference to the accompanying drawings, is provided to facilitate a comprehensive understanding of various embodiments of the application defined by the claims and their equivalents. These embodiments include various specific details for ease of understanding, but these are to be considered exemplary only. Accordingly, those skilled in the art will appreciate that various changes and modifications may be made to the various embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions will be omitted herein for brevity and clarity of description.
The terms and phrases used in the following specification and claims are not limited to a literal sense, but rather are only used for the purpose of clearly and consistently understanding the present application. Thus, it will be appreciated by those skilled in the art that the descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that the terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used in this disclosure refers to and encompasses any or all possible combinations of one or more of the associated listed items. The expressions "first", "second", "said first" and "said second" are used for modifying the respective elements irrespective of order or importance, and are used merely for distinguishing one element from another element without limiting the respective elements.
The embodiment of the application provides a linear control brake device. In order to facilitate understanding of the embodiments of the present application, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Fig. 1 is an exemplary block diagram of a brake-by-wire apparatus provided in accordance with some embodiments of the present application. As shown in fig. 1, the brake-by-wire device may include a brake caliper, a planar thrust bearing, a lead screw assembly, a bolt, a brake pad, a gear assembly, a motor, a base; the plane thrust bearing is arranged at the bottom of the brake caliper, and the brake caliper and the base are integrally processed, so that the plane thrust bearing is attached to the base. The brake-by-wire device has the advantages of compact structure, fewer parts and convenience for control of the brake-by-wire device on a vehicle. The utility model discloses an adopt atress afterbody base and brake caliper design as an organic wholely, through one shot forming processing, effectually guaranteed the straightness that hangs down between them, make bearing atress more even, the life-span is longer.
According to some embodiments of the application, the screw assembly is a ball screw assembly, which is assembled after the planar thrust bearing is mounted on the bottom of the brake caliper. The bolt is withdrawn and is assembled after the screw assembly is assembled. The brake-by-wire device further includes a piston cover assembled after the bolts are assembled. The brake-by-wire device further includes a dust cap that is assembled after the piston cap is assembled. The brake pad comprises an inner brake pad and an outer brake pad, and the inner brake pad and the outer brake pad are assembled after the dust cover is assembled. The brake-by-wire device further comprises a clamp frame, wherein the clamp frame is assembled after the inner brake pad and the outer brake pad are assembled. The gear assembly may be a two-stage planetary gear assembly which is assembled after the assembly of the jaw, and the motor is assembled.
In some embodiments, the ball screw assembly further comprises a ball screw sleeve. The linear control device further comprises an oil storage tank, and the oil storage tank is arranged on the ball screw sleeve. The oil storage tank can be used for solving the problems of insufficient oil quantity and the like of the ball screw sleeve and the brake caliper when the ball screw sleeve and the brake caliper slide for a long time.
According to some embodiments of the present application, there is provided a brake control system employing the brake-by-wire apparatus including a brake caliper, a planar thrust bearing, a screw assembly, a bolt, a brake pad, a gear assembly, a motor, a base; the plane thrust bearing is arranged at the bottom of the brake caliper, the brake caliper and the base are integrally machined, and the perpendicularity of the brake caliper and the base is effectively guaranteed, so that the bearing is stressed more uniformly, and the service life of the bearing is longer.
Example 1
Fig. 1 is an exemplary block diagram of a brake-by-wire apparatus provided in accordance with some embodiments of the present application. As shown in fig. 1, a brake-by-wire device comprises a brake caliper (10), a plane thrust bearing (01), a screw rod assembly (02), a bolt (03), brake pads (05 and 06), a gear assembly (07), a motor (08) and a base (14); the plane thrust bearing (01) is arranged at the bottom of the brake caliper (10), and the brake caliper (10) and the base (14) are integrally processed, so that the plane thrust bearing (01) is attached to the base (14). The base (14) can be a braking base, the braking base is used as a stress tail part and is designed into a whole with the brake caliper (10), the perpendicularity of the base (14) and the brake caliper (10) is effectively ensured through one-step forming processing, processing errors are reduced, the lamination of a plane thrust bearing (01) and the braking base is better, the bearing stress is ensured to be more uniform, and the service life is longer.
In some embodiments, the screw assembly (02) may be a ball screw assembly, the ball screw assembly may include a ball screw sleeve (13), the bolt (03) may be a set-back bolt, the brake pad may include an inner brake pad (06) and an outer brake pad (05), and the gear assembly (07) may be a two-stage planetary gear assembly.
In some embodiments, the brake-by-wire device further comprises a piston cap (04), a dust cap (11), a clamp frame (09), and the like. The brake-by-wire device is compact in structure, fewer in components, convenient to control on a vehicle, and the specific assembly sequence comprises: the plane thrust bearing (01) is assembled to the bottom of the brake caliper (10) at first, the brake caliper (10) and the base (14) are integrally processed, and the plane thrust bearing (01) is attached to the base (14). And (3) assembling the screw rod assembly (02) at the back, assembling the piston cover (04) after the bolts (03) are further arranged, continuously assembling the dust cover (11), assembling the inner brake block (06) and the outer brake block (05), assembling the two-stage planetary gear assembly (07) after the clamp frame (09) is assembled, and finally assembling the motor (08).
In some embodiments, the ball screw assembly (02) further comprises a ball screw sleeve (13). The linear control device further comprises an oil storage tank (12), and the oil storage tank (12) can be arranged on the ball screw sleeve (13). The oil storage tank (12) is used for solving the problems of insufficient oil quantity and the like when the ball screw sleeve (13) and the brake caliper (10) slide for a long time.
It should be noted that the above description of the brake-by-wire device is for convenience of description only, and is not intended to limit the application to the scope of the illustrated embodiments. It will be understood by those skilled in the art that various modifications and changes in form and detail of the functions of implementing the above-described apparatus and operations may be made to the individual structures in any combination or constituent sub-structures with other structures without departing from the principles of the present apparatus based on the principles. For example, the brake-by-wire device may further include a reservoir or the like. Such variations are within the scope of the application.
In summary, the brake-by-wire device of the application comprises a brake caliper, a planar thrust bearing, a screw rod assembly, a bolt, a brake pad, a gear assembly, a motor and a base; the plane thrust bearing is arranged at the bottom of the brake caliper, the brake caliper and the base are integrally machined, and the perpendicularity of the brake caliper and the base is effectively guaranteed, so that the bearing is stressed more uniformly, and the service life of the bearing is longer.
It should be noted that the above-described embodiments are merely examples, and the present application is not limited to such examples, but various changes may be made.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above disclosure is illustrative of only some of the preferred embodiments of the present application and should not be taken as limiting the scope of the application, as those skilled in the art will recognize that all or part of the structures described above may be implemented and equivalents thereof may be substituted for elements thereof which are shown in the claims below and still fall within the true scope of the present application.
Claims (10)
1. The brake-by-wire device is characterized by comprising a brake caliper, a planar thrust bearing, a screw rod assembly, a bolt, a brake pad, a gear assembly, a motor and a base; the plane thrust bearing is arranged at the bottom of the brake caliper, and the brake caliper and the base are integrally processed, so that the plane thrust bearing is attached to the base.
2. The brake-by-wire device of claim 1, wherein: the screw rod assembly is a ball screw rod assembly, and the screw rod assembly is assembled after the planar thrust bearing is installed at the bottom of the brake caliper.
3. The brake-by-wire apparatus of claim 2, wherein: the bolt is withdrawn and is assembled after the screw assembly is assembled.
4. A brake-by-wire device according to claim 3, characterized in that: the brake-by-wire device further includes a piston cover assembled after the bolts are assembled.
5. The brake-by-wire apparatus of claim 4, wherein: the brake-by-wire device further includes a dust cap that is assembled after the piston cap is assembled.
6. The brake-by-wire apparatus of claim 5, wherein: the brake pad comprises an inner brake pad and an outer brake pad, and the inner brake pad and the outer brake pad are assembled after the dust cover is assembled.
7. The brake-by-wire apparatus of claim 6, wherein: the brake-by-wire device further comprises a clamp frame, wherein the clamp frame is assembled after the inner brake pad and the outer brake pad are assembled.
8. The brake-by-wire apparatus of claim 7, wherein: the gear assembly is a two-stage planetary gear assembly, and after the clamp frame is assembled, the two-stage planetary gear assembly is assembled, and the motor is assembled.
9. The brake-by-wire apparatus of claim 2, wherein: the ball screw assembly further includes a ball screw sleeve.
10. The brake-by-wire apparatus of claim 9, wherein: the linear control device further comprises an oil storage tank, and the oil storage tank is arranged on the ball screw sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323211595.9U CN221033715U (en) | 2023-11-27 | 2023-11-27 | Linear control brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323211595.9U CN221033715U (en) | 2023-11-27 | 2023-11-27 | Linear control brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033715U true CN221033715U (en) | 2024-05-28 |
Family
ID=91166649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323211595.9U Active CN221033715U (en) | 2023-11-27 | 2023-11-27 | Linear control brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033715U (en) |
-
2023
- 2023-11-27 CN CN202323211595.9U patent/CN221033715U/en active Active
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