Wiper Accessory Clamp Structure for Stable Arm Retention

Solution Overview

Problem

Conventional wiper accessories often fail to stabilize the wiper during arm movement, leading to detachment and safety hazards.

Innovation Solution

A wiper accessory with a connecting body and elastic part, featuring clamping parts with inclined lower edges and stop edges to secure the wiper to the arm, ensuring stability during assembly and disassembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional wiper accessories emphasize ease of installation, then the wiper can be easily assembled and disassembled, but the wiper accessory may detach during excessive arm movement

Engineering Contradiction:
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The wiper accessory incorporates an elastic component that allows dynamic adjustment and flexibility during assembly while maintaining stability during operation. The elastic part enables the clamping structure to adapt to movement forces without detaching, resolving the contradiction between ease of installation and reliability during arm movement.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The clamping force and geometric parameters of the clamping parts are optimized to provide sufficient holding strength during arm movement while allowing easy assembly. The inclined lower edges and flat portions create a mechanical interlock that maintains reliability without compromising ease of installation.

Inventive Principle:
Principle #35Parameter changes

2Device complexity

If the wiper accessory uses a simple connection structure, then assembly is easy, but the connection stability during arm movement is insufficient

Engineering Contradiction:
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The connection structure is divided into distinct functional components: clamping parts for securing, an elastic part for flexibility, and limiting features for positioning. This segmentation allows each component to perform its specific function effectively, achieving reliable connection stability without excessive overall complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The clamping parts are positioned on two sides of the connecting body, creating a nested clamping arrangement that secures the wiper body from multiple directions. This nested configuration enhances connection stability while maintaining a compact and relatively simple overall structure.

Inventive Principle:
Principle #7Nested doll (Nesting)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enhances wiper stability during arm movement, preventing detachment and improving safety by maintaining a secure connection.

Implementation Method 1

an elastic part disposed at one end of the connecting body

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

a lower edge of each clamp groove includes a flat portion and is inclined downward towards the elastic part, the arm includes a stop edge disposed on an inner wall thereof, and the stop edge abuts against the flat portion of the lower edge to limit the arm on the connecting body

Methodology Applied
Scientific EffectMechanical Force: Mechanical Force

Data Source

PatentUS20250388192A1Wiper structure and wiper accessory thereof
Publication Date: 2025.12.25
  • US20250388192A1 patent drawing
  • US20250388192A1 patent drawing
  • US20250388192A1 patent drawing

AI summary

A wiper structure is provided, including a wiper accessory, a wiper body, and an arm. The wiper accessory features a connecting body with an elastic part located at one end and a pivot slot situated beneath the connecting body. The wiper body is equipped with an accessory base that includes a pivot axle pivotally connected to the pivot slot. The arm includes a rod part and a cover. The arm is mounted on the wiper accessory. Clamping parts are positioned on two sides of the connecting body, each featuring a hollow-shaped clamp groove to clamp the accessory base. A lower edge of each clamp groove includes a flat portion and slopes downward towards the elastic part. Inner walls of the arm include stop edges that abut the flat portions of the lower edges to limit the arm on the connecting body.