Oven Rack Holding Structure to Prevent Vertical Slippage
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Solution Overview
Problem
Existing holding devices for food supports in cooking appliances have complex and mechanically unstable attachment mechanisms, making it difficult to attach and detach receiving devices efficiently.
Innovation Solution
A holding device with parallel vertical support bars featuring distinct first and second receiving elements, such as C-shaped or U-shaped embossings and pins, allows for a user-friendly and mechanically stable fastening system, minimizing production time and costs while preventing vertical slippage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional holding grids with multiple sockets are used for attachment, then the receiving device can be mounted on the muffle wall, but the attachment mechanism becomes complex and mechanically unstable
Solution Approach 1:
The holding device is segmented into two distinct receiving elements (first and second receiving elements) positioned at different horizontal planes on the same support rod. This segmentation allows the receiving device to be attached at multiple levels, distributing mechanical loads and improving stability without requiring a complex multi-socket system on the muffle wall.
Solution Approach 2:
The support rod acts as an intermediary component between the muffle wall and the receiving device. Instead of directly mounting the receiving device to the wall with multiple sockets, the support rod serves as a intermediate structure that simplifies the attachment mechanism while maintaining mechanical stability.
2Ease of operation
If traditional holding devices with multiple sockets are used, then the receiving device can be attached to the muffle wall, but the attachment process becomes time-consuming and complicated
Solution Approach 1:
By dividing the attachment interface into two separate receiving elements at different horizontal planes, the attachment process is simplified. The receiving device can be quickly secured at both levels without requiring complex alignment procedures, reducing attachment time while improving ease of operation.
Solution Approach 2:
The support rod with pre-positioned receiving elements is prepared in advance and mounted on the muffle wall. This preliminary preparation eliminates the need for complex on-site assembly operations, allowing the receiving device to be quickly attached to the pre-configured holding device.
3Ease of manufacture
If simple support bars are used, then production time and costs are reduced, but the mechanical stability and anti-slippage performance deteriorates
Solution Approach 1:
The support rod is designed with two distinct receiving elements (first and second receiving elements) at different horizontal planes. This segmentation maintains the simplicity of the support bar structure for easy manufacturing, while the multi-level configuration prevents vertical slippage by providing distributed attachment points that enhance mechanical stability.
Solution Approach 2:
The receiving elements are positioned at different horizontal planes (vertical dimension) on the support rod. This dimensional arrangement transforms a simple linear support bar into a multi-level attachment structure that resists vertical slippage forces while maintaining manufacturing simplicity. The vertical distribution of receiving elements creates a more stable attachment geometry without complicating the basic bar structure.
Data Source
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AI summary
The invention relates to a holding device (16) for a receiving device (17) for a food support in a cooking appliance (1), with a first and a second support bar (18, 19) which are arranged vertically, with the first support bar (18) a first receiving element (22) for coupling the receiving device (17) is formed on a first level, and on the second support rod (19) a second receiving element (23) for coupling the receiving device (17) is formed on the first level, which is different is formed to the first receiving element (22).