Vehicle Brake Base Member Mounting Layout
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Solution Overview
Problem
Existing brake hydraulic pressure control apparatuses for vehicles face challenges in reducing the size of the base member due to the number of mounting holes and screws, which restricts the pipeline and layout of internal components, and suffer from deteriorated seal performance due to stress from coil assemblies.
Innovation Solution
The apparatus features point-symmetrically disposed housing and motor mounting holes relative to a rotation shaft storage hole, a quadrangle arrangement of these holes, and a seal member with a quadrangle frame shape and belt-shaped tongue portions to enhance balance, reduce parts, and prevent seal performance deterioration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple housing mounting screws and motor mounting screws are used to fix the housing apparatus and motor to the base member, then the fixing reliability is improved, but the number of mounting holes increases which restricts the pipeline and layout of internal components and makes it difficult to reduce the size of the base member
Solution Approach 1:
The patent combines the housing mounting function and motor mounting function into a single integrated mounting structure on the base member. By providing a unified mounting interface that accommodates both the housing apparatus and motor with fewer mounting holes, the design reduces the number of penetrating holes through the base member while maintaining secure fixation of both components, thus allowing for more flexible internal layout and reduced base member size.
2Device complexity
If the seal member is held elastically between the coil assembly and base member, then the seal structure is simplified, but the reacting force of the inside seal member is applied to the coil assembly causing the control housing to be deformed and floated from the base member
Solution Approach 1:
The patent extracts the sealing function from the coil assembly interface and relocates it to a dedicated sealing surface on the control housing that abuts directly against the base member. This separation ensures that the sealing reaction force is borne by the rigid control housing structure rather than the flexible coil assembly, preventing deformation and maintaining reliable seal performance while keeping the seal structure relatively simple.
3Volume of stationary object
If the control housing is fixed to the base member with fewer mounting holes, then the base member size is reduced and layout flexibility is improved, but the fixing forces may be insufficient to prevent deformation and maintain seal performance
Solution Approach 1:
The patent implements localized reinforcement features including a protruding rib structure on the base member that concentrates mounting forces at specific high-strength locations, and corresponding recesses or mounting features on the control housing that distribute these forces effectively. This localized quality enhancement ensures that fewer mounting holes can provide sufficient fixing strength to prevent deformation and maintain seal performance.
Data Source
AI summary
A brake hydraulic pressure control apparatus for a vehicle includes: a base member; a control housing including a storage space for storing an electromagnetic valve on one face of the base member and a coil assembly; and a pump driving motor on a back face of the base member. The base member are provided with: two housing mounting penetration holes through which housing mounting screws for fixing the control housing are to be inserted; two motor mounting holes into which motor mounting screws for fixing the motor are to be inserted; and a rotation shaft storage hole into which a rotation shaft of the motor is to be stored, wherein the housing mounting penetration holes and the motor mounting holes are respectively disposed point-symmetrically with respect to the center of the rotation shaft storage hole.